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Jd P.

SAT, GMAT, Economics, Finance, Columbia/Harvard, PhD, Online Discounts

SAT, GMAT, Economics, Finance, Columbia/Harvard, PhD, Online Discounts

$250/hour

  • 4,074 hours tutoring

About Jd


Bio

After many years of teaching and over 2200 hours of 5-star tutoring, I have established myself as one of Manhattan's premier private tutors. I have helped hundreds of students achieve their SHSAT, PSAT, SAT, ACT, GMAT and GRE goals and secure their places at schools such as Stuyvesant, Groton, Harvard, Stanford, Wharton and Columbia. I have also helped students from Columbia, NYU and globally (online) prepare for their exams in Finance, Economics, Investments, Statistics and Econometrics....

After many years of teaching and over 2200 hours of 5-star tutoring, I have established myself as one of Manhattan's premier private tutors. I have helped hundreds of students achieve their SHSAT, PSAT, SAT, ACT, GMAT and GRE goals and secure their places at schools such as Stuyvesant, Groton, Harvard, Stanford, Wharton and Columbia. I have also helped students from Columbia, NYU and globally (online) prepare for their exams in Finance, Economics, Investments, Statistics and Econometrics. Many graduates with Econ majors have hired me to teach them Finance and Investment Theory and forego the time and expense of an MBA altogether. I also help students navigate complex real estate valuation and LBO spreadsheets for both classroom related learning and real life investing.

TEST PREP: Many of my students spend enormous resources with classes, tutors and self-study only to find themselves stuck at the 600/85% level. This happens, especially for the Math section of the exams, because they have practiced and reinforced a brute-force approach which takes too many steps, too much time and forces careless mistakes. I teach my students how to think efficiently and find the elegant solutions. Instead of spending 4 minutes on a problem and getting it wrong, imagine doing it in 30 seconds and getting it right! That's how you get to 780. Many of my students wish they had contacted me first instead of going with a cheaper option. In the end, I may seem expensive but I am actually cost effective because I get results.

I have three Ivy League degrees, and I am a retired finance professor and a 20-year Wall Street hedge fund manager. I have taught finance, economics, investments and business at the collegiate and graduate level. I love to teach. I won the teaching award while at Columbia Business School. I bring both advanced teaching skills and real world career experience to motivate the learning process. I know how to explain complex concepts in an easy to understand manner. I am easy to relate to and develop a long-term mento


Education

U. of Pennsylvania, Wharton School of Finance
Economics
Columbia Law School
J.D.
Columbia Business School, Finance
PhD

Policies


Schedule

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Subjects

Business

Business,

Business

I studied Law and Finance at Harvard and Columbia. I also taught Finance, Economics and Investments at Columbia Business School. I started a Wall Street hedge fund and ran all aspects of the business for 20 years until I sold it in 2007. During this time, I also founded and incubated numerous business start-ups. I have helped students with business plans, Income Statements and Balance Sheets. I have helped investors analyze investment ideas and build successful investment/trading portfolios.
Econometrics,

Econometrics

I have a PhD in Finance and Economics and taught business courses for many years. I have taken Econometrics at the doctoral level and have published numerous papers in Finance which use econometric analysis. I have tutored students in econometrics from Columbia and NYU as well as online students. If you need help understanding multivariate linear regressions or tests for multicollinearity, I can help you. I am very good an explaining complicated and difficult concepts in an easy to understand manner.
Finance,

Finance

I have a PhD in Finance from Columbia B. School. I taught there and ran a Wall Street Hedge Fund for 20 years. I have helped many students locally from Columbia and NYU in their Finance and Economics courses. I also help students online from all over the world. I can help you master Time Value of Money calculations and Central Bank Open Market Operations. I have also helped non-students who seek to gain an understanding in Investing and Portfolio Management including stock and Cryptocurrency (Bitcoin) portfolios.
GMAT,

GMAT

After semi-retiring from Wall Street, I have spent the past 5 years establishing myself as one of Manhattan's premier Test Prep Tutors. There are many tutors with Ivy league degrees and top test scores. However, this doesn't mean they excel at teaching others. I have focused my teaching career on how to effectively explain complicated concepts in a manner that is easy to understand. In 1991, I won the teaching award while at Columbia Business School. Quantitative Reasoning: The math portion of the GMAT is not difficult. If you study by yourself, however, or even with an amateur tutor, you are bound to get stuck around 600 level. This is because you are attacking the problems using the long, brute force way you were taught in school. For example, if you ever use the Pythagorean Theorem (a squared plus b squared equals c squared) you are wasting precious time and increasing the probability of making a careless mistake. My students are trained to look for one of the 4 classic right triangles (for example: the three, four, five right triangle) and never brute force the Pythagorean Theorem. Using this approach, they will see the elegant solution in 10-20 seconds and get it right leaving extra time for other problems instead of spending four minutes on a problem and getting it wrong! Most of my students come to me after hours of classes, tutors and self-practice. They tell me they are stuck and can't seem to break through. This is because they need someone who is an expert on the exam to show them three things: 1) the elegant solutions, 2) the mental/psychological traps set by the exam makers and 3) the common mistakes they, in particular, tend to make. Acing this exam is as much about knowing the material as it is about knowing oneself! Before trying to save money with all those classes, go with a tutor who knows what he is doing. I can help you achieve your goals and do so in a cost effective manner. Verbal Reasoning. Improving verbal skills takes time and effort. I teach my students how to practice correctly to mak
GRE,

GRE

After semi-retiring from Wall Street, I have spent the past 5 years establishing myself as one of Manhattan's premier Test Prep Tutors. There are many tutors with Ivy league degrees and top test scores. However, this doesn't mean they excel at teaching others. I have focused my teaching career on how to effectively explain complicated concepts in a manner that is easy to understand. In 1991, I won the teaching award while at Columbia Business School. Quantitative Reasoning: The math portion of the GRE is not difficult. If you study by yourself, however, or even with an amateur tutor, you are bound to get stuck around the 85th percentile. This is because you are attacking the problems using the long, brute force way you were taught in school. For example, if you ever use the Pythagorean Theorem, a squared + b squared = c squared, you are wasting precious time and increasing the probability of making a careless mistake. My students are trained to look for the 3-4-5, 5-12-13, x-x-xroot2 or the x-2x-xroot3 triangles and never brute force the Pythagorean Theorem. Using this approach, they will see the elegant solution in 10-20 seconds and get it right leaving extra time for other problems instead of spending 4 minutes on a problem and getting it wrong! Most of my students come to me after hours of classes, tutors and self-practice. They tell me they are stuck and can't seem to break through. This is because they need someone who is an expert on the exam to show them three things: 1) the elegant solution, 2) the mental/psychological traps set by the exam makers and 3) the common mistakes each student, in particular, tend to make. Acing this exam is as much about knowing the material as it is about knowing oneself! Before trying to save money with all those classes, go with a tutor who knows what he is doing. I can help you achieve your goals and do so in a cost effective manner. Verbal Reasoning: Improving verbal skills takes time and effort. I teach my students how to practice correctly to make the most of their time.
Macroeconomics,

Macroeconomics

I have a PhD in Finance and Economics. I taught Macroeconomics as a professor for many years. I have helped many students locally from Columbia and NYU to prepare and pass their Macro course exams. I also help students online. If you're having trouble with the IS-LM model or how Central Bank OMO works, please give me a call. I can explain difficult concepts in a way that you can understand them!
Microeconomics,

Microeconomics

I have a PhD in Finance and Economics and many years of teaching experience. I have helped many students locally, undergrad and grad, from Columbia and NYU prepare and pass their Economics exams. I also help students online. If you are having trouble with Marginal Revenues and Marginal Costs or Game Theory, I can help you. I love to teach Micro and I can explain difficult and confusing concepts in a manner that you will understand! I have also helped seniors, masters and PhD students with formulating and completing their research thesis.
Law

Corporate Training

Business,

Business

I studied Law and Finance at Harvard and Columbia. I also taught Finance, Economics and Investments at Columbia Business School. I started a Wall Street hedge fund and ran all aspects of the business for 20 years until I sold it in 2007. During this time, I also founded and incubated numerous business start-ups. I have helped students with business plans, Income Statements and Balance Sheets. I have helped investors analyze investment ideas and build successful investment/trading portfolios.
Finance,

Finance

I have a PhD in Finance from Columbia B. School. I taught there and ran a Wall Street Hedge Fund for 20 years. I have helped many students locally from Columbia and NYU in their Finance and Economics courses. I also help students online from all over the world. I can help you master Time Value of Money calculations and Central Bank Open Market Operations. I have also helped non-students who seek to gain an understanding in Investing and Portfolio Management including stock and Cryptocurrency (Bitcoin) portfolios.
GMAT,

GMAT

After semi-retiring from Wall Street, I have spent the past 5 years establishing myself as one of Manhattan's premier Test Prep Tutors. There are many tutors with Ivy league degrees and top test scores. However, this doesn't mean they excel at teaching others. I have focused my teaching career on how to effectively explain complicated concepts in a manner that is easy to understand. In 1991, I won the teaching award while at Columbia Business School. Quantitative Reasoning: The math portion of the GMAT is not difficult. If you study by yourself, however, or even with an amateur tutor, you are bound to get stuck around 600 level. This is because you are attacking the problems using the long, brute force way you were taught in school. For example, if you ever use the Pythagorean Theorem (a squared plus b squared equals c squared) you are wasting precious time and increasing the probability of making a careless mistake. My students are trained to look for one of the 4 classic right triangles (for example: the three, four, five right triangle) and never brute force the Pythagorean Theorem. Using this approach, they will see the elegant solution in 10-20 seconds and get it right leaving extra time for other problems instead of spending four minutes on a problem and getting it wrong! Most of my students come to me after hours of classes, tutors and self-practice. They tell me they are stuck and can't seem to break through. This is because they need someone who is an expert on the exam to show them three things: 1) the elegant solutions, 2) the mental/psychological traps set by the exam makers and 3) the common mistakes they, in particular, tend to make. Acing this exam is as much about knowing the material as it is about knowing oneself! Before trying to save money with all those classes, go with a tutor who knows what he is doing. I can help you achieve your goals and do so in a cost effective manner. Verbal Reasoning. Improving verbal skills takes time and effort. I teach my students how to practice correctly to mak
Macroeconomics,

Macroeconomics

I have a PhD in Finance and Economics. I taught Macroeconomics as a professor for many years. I have helped many students locally from Columbia and NYU to prepare and pass their Macro course exams. I also help students online. If you're having trouble with the IS-LM model or how Central Bank OMO works, please give me a call. I can explain difficult concepts in a way that you can understand them!
Microeconomics,

Microeconomics

I have a PhD in Finance and Economics and many years of teaching experience. I have helped many students locally, undergrad and grad, from Columbia and NYU prepare and pass their Economics exams. I also help students online. If you are having trouble with Marginal Revenues and Marginal Costs or Game Theory, I can help you. I love to teach Micro and I can explain difficult and confusing concepts in a manner that you will understand! I have also helped seniors, masters and PhD students with formulating and completing their research thesis.
Statistics,

Statistics

Statistics is very difficult for everyone. Yet, it is a very important subject to get a handle on in our data filled world. I have helped numerous Columbia, NYU and other online undergrads and graduate students with their statistics courses. I can explain difficult concepts in a manner that is easy to understand. I have a PhD in Finance and Economics and I have published numerous papers that use statistics and econometric analysis. I also used statistical analysis during my time on Wall Street.
ESL/ESOL, Law

Elementary Education

Elementary (K-6th),

Elementary (K-6th)

A child's development during the elementary school years is extremely important. There are two kinds of students with special needs, those who struggle with obstacles such as ADHD and dyslexia and those who are gifted. Both kinds of students are at risk in public and most private schools. Regular schools are forced to teach to the average student. If your child has special needs, they will not be well served by the limited resources of most schools. If your child is gifted, he or she will find themselves ignored and bored. My recommendation is to supplement your child's education with a private tutor or to take them out of school and home-school them. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate and graduate level. I have tutored students for many years. I also home-schooled my own kids K-12 and got them accepted to Harvard. During the home-schooling process, I hired a k-6th tutor and used various K-6th educational materials including the Houghton Mifflin Harcourt home-schooling series. As my kids got older, I hired various subject tutors to come to my home. Home-schooling doesn't mean the parent has to do all the teaching. Think of is as a private school at home where the parent is the headmaster. I love to teach. I have tutored many Manhattan elementary and middle school students during the last four years. I teach my elementary school students to love reading, writing and math. I also teach them how to hold a conversation with an adult. I teach my middle school students how to think critically and I also start them on SHAT and SAT prep. Most of my students go on to magnet or private high schools including Stuyvesant.
Elementary Math,

Elementary Math

A child's development during the elementary school years is extremely important. There are two kinds of students with special needs, those who struggle with obstacles such as ADHD and dyslexia and those who are gifted. Both kinds of students are at risk in public and most private schools. Regular schools are forced to teach to the average student. If your child has special needs, they will not be well served by the limited resources of most schools. If your child is gifted, he or she will find themselves ignored and bored. My recommendation is to supplement your child's education with a private tutor or to take them out of school and home-school them. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate and graduate level. I have tutored students for many years. I also home-schooled my own kids K-12 and got them accepted to Harvard. During the home-schooling process, I hired a k-6th tutor and used various K-6th educational materials including the Houghton Mifflin Harcourt home-schooling series. As my kids got older, I hired various subject tutors to come to my home. Home-schooling doesn't mean the parent has to do all the teaching. Think of is as a private school at home where the parent is the headmaster. I love to teach. I have tutored many Manhattan elementary and middle school students during the last four years. I teach my elementary school students to love reading, writing and math. I also teach them how to hold a conversation with an adult. I teach my middle school students how to think critically and I also start them on SHAT and SAT prep. Most of my students go on to magnet or private high schools including Stuyvesant.
Elementary Science, Reading, Vocabulary

English

SAT Writing,

SAT Writing

Learning to write well is essential for academic success. When I was young, writing was a mystery to me. Then, my tutor taught me the fundamentals of clear, effective writing. It's confusing because, first, you need to learn all the rules of formal expository writing. You know, the five paragraph essay that starts with an Introduction with a thesis, has three body paragraphs each with a topic sentence, and ends with a conclusion. Then, I teach my students how to relax the rules and write as if they were telling a story. The SAT writing component has a clear structure. I teach my students to this structure and they can formulate a winning essay in minutes. I have a PhD in Finance and a Law degree from Columbia and Harvard Law Schools. I won the teaching award while at Columbia Business School. I have taught numerous students ranging from elementary school students to doctoral candidates. I home-schooled my own kids, K-12, and got them into Harvard Early Action. Learning to write effectively will empower you in all your academic and professional endeavors.
Writing,

Writing

Learning to write well is essential for academic and business success. When I was young, writing was a mystery to me. Then, my tutor taught me the fundamentals of clear, effective writing. It's confusing because, first, you need to learn all the rules of formal expository writing. You know, the five paragraph essay that starts with an Introduction with a thesis, has three body paragraphs each with a topic sentence, and ends with a conclusion. Then, you have to learn how to relax the rules and write as if you were telling a story. If you struggle with writing or just need a sharp eye for some editing, please contact me. I have a PhD in Finance and a Law degree from Columbia and Harvard Law Schools. I have taught numerous students ranging from elementary school students to doctoral candidates. I home-schooled my kids, K-12, and got them into Harvard Early Action. I have also helped business professionals with projects ranging from business plans to demand letters. I have often facilitated in crafting a well written letter that leads to a promotion or a higher severance. No matter what you need, please contact me to discuss how I might help you.
English, ESL/ESOL, Reading, SAT Reading, TOEFL, Vocabulary

Homeschool

Elementary (K-6th),

Elementary (K-6th)

A child's development during the elementary school years is extremely important. There are two kinds of students with special needs, those who struggle with obstacles such as ADHD and dyslexia and those who are gifted. Both kinds of students are at risk in public and most private schools. Regular schools are forced to teach to the average student. If your child has special needs, they will not be well served by the limited resources of most schools. If your child is gifted, he or she will find themselves ignored and bored. My recommendation is to supplement your child's education with a private tutor or to take them out of school and home-school them. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate and graduate level. I have tutored students for many years. I also home-schooled my own kids K-12 and got them accepted to Harvard. During the home-schooling process, I hired a k-6th tutor and used various K-6th educational materials including the Houghton Mifflin Harcourt home-schooling series. As my kids got older, I hired various subject tutors to come to my home. Home-schooling doesn't mean the parent has to do all the teaching. Think of is as a private school at home where the parent is the headmaster. I love to teach. I have tutored many Manhattan elementary and middle school students during the last four years. I teach my elementary school students to love reading, writing and math. I also teach them how to hold a conversation with an adult. I teach my middle school students how to think critically and I also start them on SHAT and SAT prep. Most of my students go on to magnet or private high schools including Stuyvesant.
Macroeconomics,

Macroeconomics

I have a PhD in Finance and Economics. I taught Macroeconomics as a professor for many years. I have helped many students locally from Columbia and NYU to prepare and pass their Macro course exams. I also help students online. If you're having trouble with the IS-LM model or how Central Bank OMO works, please give me a call. I can explain difficult concepts in a way that you can understand them!
Microeconomics,

Microeconomics

I have a PhD in Finance and Economics and many years of teaching experience. I have helped many students locally, undergrad and grad, from Columbia and NYU prepare and pass their Economics exams. I also help students online. If you are having trouble with Marginal Revenues and Marginal Costs or Game Theory, I can help you. I love to teach Micro and I can explain difficult and confusing concepts in a manner that you will understand! I have also helped seniors, masters and PhD students with formulating and completing their research thesis.
SAT Math,

SAT Math

The SAT Math test requires expert guidance. Sure, your high school junior is smart and gets straight A's. And yet, even if she or he loves math, why is it so hard to get a perfect score- the elusive 800. Without expert guidance, the more you practice the more you lock in a 600-700 score. Why? Because it's not what you know but how you think that gets you to 800. In other words, practicing the long, brute force way to do a math problem not only takes time but also increases the probability of a simple careless mistake. 650 means you know the math. 750-800 means you think efficiently, and know yourself. It's rare to get to 800 on your own. And not all tutors can get you there. Most tutors are paid to watch your child do problems. I teach my students how to think and see the elegant solution. Many of my students come to me after hours of SAT classes, SAT tutors and self-practice and tell me that no matter how hard they practice they can't break above the 700 level. I explain to them that it's not about knowing the math but about knowing how to think. I evaluate their strengths and weaknesses and create a plan to get to 780 or even 800! I have established my self as one of Manhattan's premier test prep tutors. In the last couple years, I have taken many students from 600 or less to 750 or greater. My students have been excepted to Harvard, Stanford, Columbia and other top schools. I have tutored and mentored many students on the SAT and the college application process including the interview. I prefer students who come to me early before developing bad habits by trying to study by themselves or in a course. My favorite student are English students who think they hate math. Amanda, for example, told me she hated math. After meeting for 4 months, she started to love math. When she got 770 Verbal and 750 on her math SAT, I was so thrilled for her. Now she could apply to any school she wanted. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate level. I have tutored st
Statistics,

Statistics

Statistics is very difficult for everyone. Yet, it is a very important subject to get a handle on in our data filled world. I have helped numerous Columbia, NYU and other online undergrads and graduate students with their statistics courses. I can explain difficult concepts in a manner that is easy to understand. I have a PhD in Finance and Economics and I have published numerous papers that use statistics and econometric analysis. I also used statistical analysis during my time on Wall Street.
Writing,

Writing

Learning to write well is essential for academic and business success. When I was young, writing was a mystery to me. Then, my tutor taught me the fundamentals of clear, effective writing. It's confusing because, first, you need to learn all the rules of formal expository writing. You know, the five paragraph essay that starts with an Introduction with a thesis, has three body paragraphs each with a topic sentence, and ends with a conclusion. Then, you have to learn how to relax the rules and write as if you were telling a story. If you struggle with writing or just need a sharp eye for some editing, please contact me. I have a PhD in Finance and a Law degree from Columbia and Harvard Law Schools. I have taught numerous students ranging from elementary school students to doctoral candidates. I home-schooled my kids, K-12, and got them into Harvard Early Action. I have also helped business professionals with projects ranging from business plans to demand letters. I have often facilitated in crafting a well written letter that leads to a promotion or a higher severance. No matter what you need, please contact me to discuss how I might help you.
English, ESL/ESOL, Reading, SAT Reading

Language

ESL/ESOL, TOEFL

Math

SAT Math,

SAT Math

The SAT Math test requires expert guidance. Sure, your high school junior is smart and gets straight A's. And yet, even if she or he loves math, why is it so hard to get a perfect score- the elusive 800. Without expert guidance, the more you practice the more you lock in a 600-700 score. Why? Because it's not what you know but how you think that gets you to 800. In other words, practicing the long, brute force way to do a math problem not only takes time but also increases the probability of a simple careless mistake. 650 means you know the math. 750-800 means you think efficiently, and know yourself. It's rare to get to 800 on your own. And not all tutors can get you there. Most tutors are paid to watch your child do problems. I teach my students how to think and see the elegant solution. Many of my students come to me after hours of SAT classes, SAT tutors and self-practice and tell me that no matter how hard they practice they can't break above the 700 level. I explain to them that it's not about knowing the math but about knowing how to think. I evaluate their strengths and weaknesses and create a plan to get to 780 or even 800! I have established my self as one of Manhattan's premier test prep tutors. In the last couple years, I have taken many students from 600 or less to 750 or greater. My students have been excepted to Harvard, Stanford, Columbia and other top schools. I have tutored and mentored many students on the SAT and the college application process including the interview. I prefer students who come to me early before developing bad habits by trying to study by themselves or in a course. My favorite student are English students who think they hate math. Amanda, for example, told me she hated math. After meeting for 4 months, she started to love math. When she got 770 Verbal and 750 on her math SAT, I was so thrilled for her. Now she could apply to any school she wanted. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate level. I have tutored st
Statistics

Statistics

Statistics is very difficult for everyone. Yet, it is a very important subject to get a handle on in our data filled world. I have helped numerous Columbia, NYU and other online undergrads and graduate students with their statistics courses. I can explain difficult concepts in a manner that is easy to understand. I have a PhD in Finance and Economics and I have published numerous papers that use statistics and econometric analysis. I also used statistical analysis during my time on Wall Street.

Most Popular

Elementary (K-6th),

Elementary (K-6th)

A child's development during the elementary school years is extremely important. There are two kinds of students with special needs, those who struggle with obstacles such as ADHD and dyslexia and those who are gifted. Both kinds of students are at risk in public and most private schools. Regular schools are forced to teach to the average student. If your child has special needs, they will not be well served by the limited resources of most schools. If your child is gifted, he or she will find themselves ignored and bored. My recommendation is to supplement your child's education with a private tutor or to take them out of school and home-school them. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate and graduate level. I have tutored students for many years. I also home-schooled my own kids K-12 and got them accepted to Harvard. During the home-schooling process, I hired a k-6th tutor and used various K-6th educational materials including the Houghton Mifflin Harcourt home-schooling series. As my kids got older, I hired various subject tutors to come to my home. Home-schooling doesn't mean the parent has to do all the teaching. Think of is as a private school at home where the parent is the headmaster. I love to teach. I have tutored many Manhattan elementary and middle school students during the last four years. I teach my elementary school students to love reading, writing and math. I also teach them how to hold a conversation with an adult. I teach my middle school students how to think critically and I also start them on SHAT and SAT prep. Most of my students go on to magnet or private high schools including Stuyvesant.
Statistics,

Statistics

Statistics is very difficult for everyone. Yet, it is a very important subject to get a handle on in our data filled world. I have helped numerous Columbia, NYU and other online undergrads and graduate students with their statistics courses. I can explain difficult concepts in a manner that is easy to understand. I have a PhD in Finance and Economics and I have published numerous papers that use statistics and econometric analysis. I also used statistical analysis during my time on Wall Street.
Writing,

Writing

Learning to write well is essential for academic and business success. When I was young, writing was a mystery to me. Then, my tutor taught me the fundamentals of clear, effective writing. It's confusing because, first, you need to learn all the rules of formal expository writing. You know, the five paragraph essay that starts with an Introduction with a thesis, has three body paragraphs each with a topic sentence, and ends with a conclusion. Then, you have to learn how to relax the rules and write as if you were telling a story. If you struggle with writing or just need a sharp eye for some editing, please contact me. I have a PhD in Finance and a Law degree from Columbia and Harvard Law Schools. I have taught numerous students ranging from elementary school students to doctoral candidates. I home-schooled my kids, K-12, and got them into Harvard Early Action. I have also helped business professionals with projects ranging from business plans to demand letters. I have often facilitated in crafting a well written letter that leads to a promotion or a higher severance. No matter what you need, please contact me to discuss how I might help you.
English, ESL/ESOL, Reading

Other

Finance,

Finance

I have a PhD in Finance from Columbia B. School. I taught there and ran a Wall Street Hedge Fund for 20 years. I have helped many students locally from Columbia and NYU in their Finance and Economics courses. I also help students online from all over the world. I can help you master Time Value of Money calculations and Central Bank Open Market Operations. I have also helped non-students who seek to gain an understanding in Investing and Portfolio Management including stock and Cryptocurrency (Bitcoin) portfolios.
Macroeconomics,

Macroeconomics

I have a PhD in Finance and Economics. I taught Macroeconomics as a professor for many years. I have helped many students locally from Columbia and NYU to prepare and pass their Macro course exams. I also help students online. If you're having trouble with the IS-LM model or how Central Bank OMO works, please give me a call. I can explain difficult concepts in a way that you can understand them!
Microeconomics,

Microeconomics

I have a PhD in Finance and Economics and many years of teaching experience. I have helped many students locally, undergrad and grad, from Columbia and NYU prepare and pass their Economics exams. I also help students online. If you are having trouble with Marginal Revenues and Marginal Costs or Game Theory, I can help you. I love to teach Micro and I can explain difficult and confusing concepts in a manner that you will understand! I have also helped seniors, masters and PhD students with formulating and completing their research thesis.
ESL/ESOL, Law

Science

Econometrics

Econometrics

I have a PhD in Finance and Economics and taught business courses for many years. I have taken Econometrics at the doctoral level and have published numerous papers in Finance which use econometric analysis. I have tutored students in econometrics from Columbia and NYU as well as online students. If you need help understanding multivariate linear regressions or tests for multicollinearity, I can help you. I am very good an explaining complicated and difficult concepts in an easy to understand manner.

Summer

Elementary (K-6th),

Elementary (K-6th)

A child's development during the elementary school years is extremely important. There are two kinds of students with special needs, those who struggle with obstacles such as ADHD and dyslexia and those who are gifted. Both kinds of students are at risk in public and most private schools. Regular schools are forced to teach to the average student. If your child has special needs, they will not be well served by the limited resources of most schools. If your child is gifted, he or she will find themselves ignored and bored. My recommendation is to supplement your child's education with a private tutor or to take them out of school and home-school them. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate and graduate level. I have tutored students for many years. I also home-schooled my own kids K-12 and got them accepted to Harvard. During the home-schooling process, I hired a k-6th tutor and used various K-6th educational materials including the Houghton Mifflin Harcourt home-schooling series. As my kids got older, I hired various subject tutors to come to my home. Home-schooling doesn't mean the parent has to do all the teaching. Think of is as a private school at home where the parent is the headmaster. I love to teach. I have tutored many Manhattan elementary and middle school students during the last four years. I teach my elementary school students to love reading, writing and math. I also teach them how to hold a conversation with an adult. I teach my middle school students how to think critically and I also start them on SHAT and SAT prep. Most of my students go on to magnet or private high schools including Stuyvesant.
Macroeconomics,

Macroeconomics

I have a PhD in Finance and Economics. I taught Macroeconomics as a professor for many years. I have helped many students locally from Columbia and NYU to prepare and pass their Macro course exams. I also help students online. If you're having trouble with the IS-LM model or how Central Bank OMO works, please give me a call. I can explain difficult concepts in a way that you can understand them!
Microeconomics,

Microeconomics

I have a PhD in Finance and Economics and many years of teaching experience. I have helped many students locally, undergrad and grad, from Columbia and NYU prepare and pass their Economics exams. I also help students online. If you are having trouble with Marginal Revenues and Marginal Costs or Game Theory, I can help you. I love to teach Micro and I can explain difficult and confusing concepts in a manner that you will understand! I have also helped seniors, masters and PhD students with formulating and completing their research thesis.
SAT Math,

SAT Math

The SAT Math test requires expert guidance. Sure, your high school junior is smart and gets straight A's. And yet, even if she or he loves math, why is it so hard to get a perfect score- the elusive 800. Without expert guidance, the more you practice the more you lock in a 600-700 score. Why? Because it's not what you know but how you think that gets you to 800. In other words, practicing the long, brute force way to do a math problem not only takes time but also increases the probability of a simple careless mistake. 650 means you know the math. 750-800 means you think efficiently, and know yourself. It's rare to get to 800 on your own. And not all tutors can get you there. Most tutors are paid to watch your child do problems. I teach my students how to think and see the elegant solution. Many of my students come to me after hours of SAT classes, SAT tutors and self-practice and tell me that no matter how hard they practice they can't break above the 700 level. I explain to them that it's not about knowing the math but about knowing how to think. I evaluate their strengths and weaknesses and create a plan to get to 780 or even 800! I have established my self as one of Manhattan's premier test prep tutors. In the last couple years, I have taken many students from 600 or less to 750 or greater. My students have been excepted to Harvard, Stanford, Columbia and other top schools. I have tutored and mentored many students on the SAT and the college application process including the interview. I prefer students who come to me early before developing bad habits by trying to study by themselves or in a course. My favorite student are English students who think they hate math. Amanda, for example, told me she hated math. After meeting for 4 months, she started to love math. When she got 770 Verbal and 750 on her math SAT, I was so thrilled for her. Now she could apply to any school she wanted. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate level. I have tutored st
Statistics,

Statistics

Statistics is very difficult for everyone. Yet, it is a very important subject to get a handle on in our data filled world. I have helped numerous Columbia, NYU and other online undergrads and graduate students with their statistics courses. I can explain difficult concepts in a manner that is easy to understand. I have a PhD in Finance and Economics and I have published numerous papers that use statistics and econometric analysis. I also used statistical analysis during my time on Wall Street.
Writing,

Writing

Learning to write well is essential for academic and business success. When I was young, writing was a mystery to me. Then, my tutor taught me the fundamentals of clear, effective writing. It's confusing because, first, you need to learn all the rules of formal expository writing. You know, the five paragraph essay that starts with an Introduction with a thesis, has three body paragraphs each with a topic sentence, and ends with a conclusion. Then, you have to learn how to relax the rules and write as if you were telling a story. If you struggle with writing or just need a sharp eye for some editing, please contact me. I have a PhD in Finance and a Law degree from Columbia and Harvard Law Schools. I have taught numerous students ranging from elementary school students to doctoral candidates. I home-schooled my kids, K-12, and got them into Harvard Early Action. I have also helped business professionals with projects ranging from business plans to demand letters. I have often facilitated in crafting a well written letter that leads to a promotion or a higher severance. No matter what you need, please contact me to discuss how I might help you.
ESL/ESOL, Reading

Test Preparation

GMAT,

GMAT

After semi-retiring from Wall Street, I have spent the past 5 years establishing myself as one of Manhattan's premier Test Prep Tutors. There are many tutors with Ivy league degrees and top test scores. However, this doesn't mean they excel at teaching others. I have focused my teaching career on how to effectively explain complicated concepts in a manner that is easy to understand. In 1991, I won the teaching award while at Columbia Business School. Quantitative Reasoning: The math portion of the GMAT is not difficult. If you study by yourself, however, or even with an amateur tutor, you are bound to get stuck around 600 level. This is because you are attacking the problems using the long, brute force way you were taught in school. For example, if you ever use the Pythagorean Theorem (a squared plus b squared equals c squared) you are wasting precious time and increasing the probability of making a careless mistake. My students are trained to look for one of the 4 classic right triangles (for example: the three, four, five right triangle) and never brute force the Pythagorean Theorem. Using this approach, they will see the elegant solution in 10-20 seconds and get it right leaving extra time for other problems instead of spending four minutes on a problem and getting it wrong! Most of my students come to me after hours of classes, tutors and self-practice. They tell me they are stuck and can't seem to break through. This is because they need someone who is an expert on the exam to show them three things: 1) the elegant solutions, 2) the mental/psychological traps set by the exam makers and 3) the common mistakes they, in particular, tend to make. Acing this exam is as much about knowing the material as it is about knowing oneself! Before trying to save money with all those classes, go with a tutor who knows what he is doing. I can help you achieve your goals and do so in a cost effective manner. Verbal Reasoning. Improving verbal skills takes time and effort. I teach my students how to practice correctly to mak
GRE,

GRE

After semi-retiring from Wall Street, I have spent the past 5 years establishing myself as one of Manhattan's premier Test Prep Tutors. There are many tutors with Ivy league degrees and top test scores. However, this doesn't mean they excel at teaching others. I have focused my teaching career on how to effectively explain complicated concepts in a manner that is easy to understand. In 1991, I won the teaching award while at Columbia Business School. Quantitative Reasoning: The math portion of the GRE is not difficult. If you study by yourself, however, or even with an amateur tutor, you are bound to get stuck around the 85th percentile. This is because you are attacking the problems using the long, brute force way you were taught in school. For example, if you ever use the Pythagorean Theorem, a squared + b squared = c squared, you are wasting precious time and increasing the probability of making a careless mistake. My students are trained to look for the 3-4-5, 5-12-13, x-x-xroot2 or the x-2x-xroot3 triangles and never brute force the Pythagorean Theorem. Using this approach, they will see the elegant solution in 10-20 seconds and get it right leaving extra time for other problems instead of spending 4 minutes on a problem and getting it wrong! Most of my students come to me after hours of classes, tutors and self-practice. They tell me they are stuck and can't seem to break through. This is because they need someone who is an expert on the exam to show them three things: 1) the elegant solution, 2) the mental/psychological traps set by the exam makers and 3) the common mistakes each student, in particular, tend to make. Acing this exam is as much about knowing the material as it is about knowing oneself! Before trying to save money with all those classes, go with a tutor who knows what he is doing. I can help you achieve your goals and do so in a cost effective manner. Verbal Reasoning: Improving verbal skills takes time and effort. I teach my students how to practice correctly to make the most of their time.
PSAT,

PSAT

Preparing for the PSAT is a really good idea. Most parents wait till the junior year before they start looking for an SAT tutor. I work with many juniors who have busy school and sports schedules. It takes time to improve one's test score and the more time the better. There are huge advantages if a student starts his or her SAT or ACT test prep by preparing for the PSAT in their sophomore year. Given the lighter schedule and the length of time available, I can improve their PSAT scores but more importantly build the foundation upon which they will Ace the SAT and ACT when the time comes.
SAT Math,

SAT Math

The SAT Math test requires expert guidance. Sure, your high school junior is smart and gets straight A's. And yet, even if she or he loves math, why is it so hard to get a perfect score- the elusive 800. Without expert guidance, the more you practice the more you lock in a 600-700 score. Why? Because it's not what you know but how you think that gets you to 800. In other words, practicing the long, brute force way to do a math problem not only takes time but also increases the probability of a simple careless mistake. 650 means you know the math. 750-800 means you think efficiently, and know yourself. It's rare to get to 800 on your own. And not all tutors can get you there. Most tutors are paid to watch your child do problems. I teach my students how to think and see the elegant solution. Many of my students come to me after hours of SAT classes, SAT tutors and self-practice and tell me that no matter how hard they practice they can't break above the 700 level. I explain to them that it's not about knowing the math but about knowing how to think. I evaluate their strengths and weaknesses and create a plan to get to 780 or even 800! I have established my self as one of Manhattan's premier test prep tutors. In the last couple years, I have taken many students from 600 or less to 750 or greater. My students have been excepted to Harvard, Stanford, Columbia and other top schools. I have tutored and mentored many students on the SAT and the college application process including the interview. I prefer students who come to me early before developing bad habits by trying to study by themselves or in a course. My favorite student are English students who think they hate math. Amanda, for example, told me she hated math. After meeting for 4 months, she started to love math. When she got 770 Verbal and 750 on her math SAT, I was so thrilled for her. Now she could apply to any school she wanted. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate level. I have tutored st
SAT Writing,

SAT Writing

Learning to write well is essential for academic success. When I was young, writing was a mystery to me. Then, my tutor taught me the fundamentals of clear, effective writing. It's confusing because, first, you need to learn all the rules of formal expository writing. You know, the five paragraph essay that starts with an Introduction with a thesis, has three body paragraphs each with a topic sentence, and ends with a conclusion. Then, I teach my students how to relax the rules and write as if they were telling a story. The SAT writing component has a clear structure. I teach my students to this structure and they can formulate a winning essay in minutes. I have a PhD in Finance and a Law degree from Columbia and Harvard Law Schools. I won the teaching award while at Columbia Business School. I have taught numerous students ranging from elementary school students to doctoral candidates. I home-schooled my own kids, K-12, and got them into Harvard Early Action. Learning to write effectively will empower you in all your academic and professional endeavors.
SSAT,

SSAT

I have tutored many students for the SSAT and SHSAT. There are huge benefits to preparing your child for these tests that go beyond admission to the high school of their choice. It means that they will have had years of prep for the SAT and ACT. Students who are exposed early to test prep do better in school and do better on future admission tests. I have a PhD in Finance and a law degree from Columbia University. I taught business at the collegiate and graduate level. I also home-schooled my own kids K-12 and got them accepted to Harvard. During the home-schooling process, I hired a K-6th tutor and used various K-6th educational materials including the Houghton Mifflin Harcourt home-schooling series. As my kids got older, I hired various subject tutors to come to my home. Home-schooling doesn't mean the parent has to do all the teaching. Think of is as a private school at home where the parent is the headmaster. I love to teach. I have tutored many Manhattan elementary and middle school students during the last four years. I teach my elementary school students to love reading, writing and math. I also teach them how to hold a conversation with an adult. I teach my middle school students how to think critically and I also start them on SHSAT, SSAT and SAT prep. Most of my students go on to magnet or private high schools including Stuyvesant.
SAT Reading, TOEFL

Ratings and Reviews


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5.0 (587 ratings)
5 star
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Reviews


Amazing!

Very helpful and patient. He was able to help me go through the process and explain the material to me very well. We worked on high level problems and am glad I found him!

Victoria, 1 lesson with Jd

A GMAT wizard

Dr. Park made me rethink GMAT quant entirely. During my first 2 hour lesson, he taught me how to spot the "elegant solutions" to problems that previously took me a while to solve using brute force. I hope to break the threshold that I've been stuck at (for GMAT quant) by using Dr. Park's tips and tricks.

Alexa, 4 lessons with Jd

Amazing

I bought my son a two hour session with Dr. Parker to help with the GMAT . My son was totally blown away by his genius and the ease in which he was able to comprehend Dr. Parker’s teaching ! Very interesting person to talk to also!

Judi, 2 lessons with Jd

Tutor

I was skeptical at first. However I quickly learned in my first session he is one of the best. Definitely recommend to anyone trying to improve their academic performance.

Nicolas , 15 lessons with Jd

The best!

Excellent strategies! You will be more prepared for the GMAT than you thought possible with the skills, stamina, techniques and short-cuts that Dr. P will teach you.

Kevin, 8 lessons with Jd

Enthusiastic teacher!

JD helped me to understand bitcoin today, something I've been wanting to learn more about for a long time. The explanations he gave were more clear than the youtube videos I had watched before. It was very interesting to talk about how money evolved over the last few thousand years into bitcoin. I'm a lawyer who wrote a paper on the history of money in law school in 2009, and didn't know about bitcoin back then. The lesson gave me deeper insights than I had before. JD also gave me general economic and investment advice which I was looking for in the difficult economic situation that we just got into. He has a passion for teaching. I'm thankful to have had a lesson with him.

Joseph, 1 lesson with Jd

Excellent tutor

My daughter has had a lot of tutors but she said this one has the magic touch. He seems to have all the tricks and ready to share.

Deb, 1 lesson with Jd

Gifted and passionate teacher

JD brought unmatched passion and energy to the tutoring session. His in-depth knowledge of the subject matter and his years of teaching experience show in his adeptness at explaining concepts in ways they can be easily understood and remembered. He moved efficiently through the session, explaining concepts, and then working through problems to confirm understanding before moving on. His enthusiasm was contagious...he makes learning fun!

Kitt, 3 lessons with Jd

Innovative and thorough

JD tutors my daughter for the math section of the SAT. His approach to teaching is broad and conceptual, drawing on innate logic. The result is not only superior preparation for the exam, but an augmented ability to think more lucidly in any discipline.

Gianna, 4 lessons with Jd
Contact Jd

Response time: 5 hours

$250/hour

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Jd P.

$250/hour

  • No subscriptions or upfront payments

  • Only pay for the time you need

  • Find the right fit, or your first hour is free

Contact Jd

Response time: 5 hours