Over 800 tutoring hours

David K.

Los Gatos, CA


Results-Oriented Algebra, Geometry, PreCalc/Calc, and Chemistry Tutor

Background check passed as of 3/26/16
5.0 average from 354 ratings
Excellent Tutor!
— Madison, Santa Clara, CA on 1/22/14

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University of California- Santa Barbara


University of California- Santa Barbara (Biology)

About David

Hey there, my name is Dave, and what I want to say first and foremost is that I 've always had a passion for teaching. There's nothing more rewarding than seeing a student's eyes light up when they finally understand a new concept. "AH-HA" moments are what I live for!

Several years ago, I began tutoring as a college student at the University of California Santa Barbara. It was there that I started helping my friends and classmates with their studies. In the process, I discovered that I had a gift for explaining abstract concepts in chemistry, physics, and biology. If only I had a nickel for every time a friend or family member has said, 'You're so smart, why don't you become a doctor?' The truth is I have thought about medical school, but teaching is my first love.

Since coming home from college, I've mainly focused on helping students with mathematics and science. I'm especially strong in the areas of Prealgebra, Algebra 1, Algebra 2, Geometry, Precalculus, Trigonometry, and Calculus. I'm also a very adept teacher when it comes to high school and college level Chemistry…

(Please Note: East or North San Jose or Palo Alto are too far for me to drive.)

So you might ask how I gained my academic foundation. Well, I was extremely fortunate to be blessed with two wonderful, loving parents. My mother is a retired English and French teacher, while my father is an electrical engineer. Both of them attended Stanford University and graduated with Master's degrees. With amazing parents like this I was fortunate enough to have two outstanding and inspirational resources to draw upon as a child. Growing up I accepted nothing but the best. As a student at Leigh High School I received a 4.3 GPA. In college I strived even harder as a biology major at UCSB. After several intense years, I graduated with a 3.67 GPA, making honors, and finishing near the very top of my class.

So what makes a great tutor?

1. Experience, Experience, Experience (You don't know it until you've taught it 10-20 times!)
2. Energy and Enthusiasm (Keeping kids engaged is something I specialize in!)
3. The Ability to Use Metaphors and Tailor Your Explanations to the Student at Hand
4. A Great Outlook on Life and the Use of Humor
5. Being Fascinated with the World and Wanting to Know How Everything Works

If you've read this far, congratulations! So what are you waiting for? Send me a message and I'll get back to you within a few short hours...Can't wait to hear from you!
Hey there, my name is Dave, and what I want to say first and foremost is that I 've always had a passion for teaching. There's nothing more rewarding than seeing a student's eyes light up when they finally understand a new concept. "AH-HA" moments are what I live for!

Several years ago, I began tutoring as a college student at the
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24 hours notice required
Travel Radius
Travels within 8 miles of Los Gatos, CA 95032
Background Check: Passed

"Excellent Tutor!"

- Madison, Santa Clara, CA on 1/22/14

"Outstanding Tutor"

- Stacie, Campbell, CA on 6/6/16

"Knowledgeable, Flexible and Relatable"

- Katie, Saratoga, CA on 10/26/15

"Fantastic Math and Science Tutor!"

- Jeff, Saratoga, CA on 10/25/15

"David is a great asset ! He is patient, clear and gets results!"

- Joanne, Morgan Hill, CA on 8/3/15

"Good camaraderie"

- MIssy, Los Gatos, CA on 11/20/14

"Very knowledgeable tutor!"

- Vanessa, Santa Clara, CA on 9/30/14

"Excellent find!"

- Susan, Los Gatos, CA on 2/6/14

"Knowledgeable and experience oriented."

- Justin, Campbell, CA on 1/28/13

"Available when needed"

- Diane, Los Gatos, CA on 6/9/12

"Highly Recommended tutor"

- Julia, Saratoga, CA on 5/6/12

"Great tutor !"

- Benedicte, Los Gatos, CA on 9/1/11

"Excellent tutor!"

- Mandana, San Jose, CA on 5/11/11


- Ann, San Jose, CA on 5/10/11

"Very knowledgable and helpful!"

- Sharon, San Jose, CA on 2/18/11


- Laura, Gilroy, CA on 2/15/11

"Amazing response time, professionalism and ability"

- Starlette, Los Gatos, CA on 1/27/11

"Outstanding Tutor"

- Max, Campbell, CA on 1/26/11

"Great Tutor"

- Jennifer, Los Gatos, CA on 11/4/10
Algebra 1,
Algebra 2,
Linear Algebra, Prealgebra, Precalculus,
SAT Math, Trigonometry
Biology, Chemistry,
Organic Chemistry, Physics,
Physiology, Psychology
Guitar, Music Theory
English, Grammar, Literature, Proofreading, Reading, Vocabulary, Writing
Test Preparation:
Microsoft Word
European History, World History
Elementary Education:
Grammar, Reading, Vocabulary
GMAT, GRE, Microsoft Word

Approved subjects are in bold.

Approved subjects

In most cases, tutors gain approval in a subject by passing a proficiency exam. For some subject areas, like music and art, tutors submit written requests to demonstrate their proficiency to potential students. If a tutor is interested but not yet approved in a subject, the subject will appear in non-bold font. Tutors need to be approved in a subject prior to beginning lessons.

Algebra 1

Every student deserves a solid foundation in Algebra 1. This subject is crucial for future academic success. Over the years I have handled dozens of Algebra 1 students and each time I have successfully helped them improve their grades and significantly increased their overall comprehension. Algebra 1 is pretty tedious and demands a lot of attention to detail. Unfortunately, having me there to do every problem can be quite costly over time. This is why I have recently started implementing the now famous Khan Academy into my lessons. I've found that this simple tool can turn a students life around. Using Khan Academy and other internet resources helps me produce maximum results in the minimum amount of time. Over the course of a year, I have not only caught students up to their expected math level, but in some cases gotten them more than six months ahead of their peers.

Algebra 2

Over the years Algebra 2 has by far been the most requested subject that I have helped students with. For this reason, I have the most experience with this subject. I could literally teach it with my eyes closed. Like most subjects, I find that the best way to get students caught up to speed is by testing every single concept one could possibly conceive. With a subject like this, it's all about repeat exposure. Introduce the concept, do a problem, then review it later in the lesson. Repeat the process each lesson until the student finally goes AH HA! This concept is important, maybe I should remember it. Anyway, with enough lessons and effort on the students part, I guarantee you'll be seeing A's and B's on the report card where there were once C's and D's...


Ah... Calculus, the culmination of mathematics. A subject that has most students trembling in their shoes. No worries, this is by far the subject I enjoy teaching the most. Limits, Derivatives, Integrals, Volumes of Conics, you name it, I can teach it. Over the years, I have found that explaining Calculus in terms of geometry and dimensional analysis can really make the difference. Simply looking at the dimensions of a problem can be that all critical pivot point that grounds a students understanding of a subject. My goal with every concept is to explain its derivation. This is what truly ingrains the meaning of the concept and imbues the students with a sense of confidence and a sense of real understanding. Calculus also calls upon extremely strong math skills that include long forgotten topics such as trig identities, synthetic substitution, complex factoring, partial fractions etc. Fortunately, years of teaching experience make these concepts a cinch to pick up back up right away.


I have tons of experience teaching chemistry to high school, college level, and MCAT students. There's nothing more satisfying than hearing a student say, "Wow you made that a lot simpler than my teacher made it sound..." This is my goal with every Chemistry topic. Teach the bare essentials, otherwise the trees get lost in the forest. Don't get mixed up thoguh, throw me a curve ball, like "Why does the 4S subshell of chromium not fill up all the way before electrons are added to the 3D subshell," and its more than likely I'll be able to answer your question. Additionally, when requested, I provide students with essential audiobook Chem Lessons that can really help them get the edge...


Over the last few years, I have helped dozens of students regain their footing in Geometry. It has not been uncommon for students getting C's and D's to boost their grades up to A's and B's within 5 or 6 sessions. Geometry is simple, but the problem is many concepts build upon old ones. Students often get left behind, becoming disillusioned and giving up before they have even begun to learn anything. I offset this with my simple teaching style. I break down shapes, equations, and proofs into easy to understand pieces. Each lesson, my goal is to cover everything the student has learned the previous week. Then on top of that I try to introduce every concept the student will learn in the next coming week. This strategy has proven to be effective and given the chance can help your son or daughter excel right past his or her peers...


In a past life, I think I was physicist because I honestly love this subject more than any other. Its by far my favorite subject to teach! There's nothing more rewarding than showing a student how to implement the right equations in just the right ways. I first focus on teaching the conceptual aspects of the topic. Then I move on to the equations. The beginning of each session starts with an equation review (i.e. recollecting equations, recognizing their components, and how to use them in specific instances). I show students that it's all about having a plan of attack and recognizing how to implement units to your advantage. Finally, I provide students with supplementary material (i.e. problems, audiobook files, and books) that they can use to study more effectively in their own free time...


Precalculus is basically a more intensive version of Algebra 2. I often find students going AH-Ha within a few short lessons because everything they learned comes rushing back. This in turn allows them to pick up new concepts with ease because they can contrast it against things they've learned in the past. Whether it be graphs of polynomial functions, partial fractions, polar coordinates, parametric equations, series summation notation, limits, conic sections, or 2d and 3d vectors, I can teach it in a manner that is simple, straightforward, and easy to learn.

University of California- Santa Barbara


University of California- Santa Barbara (Biology)

Excellent Tutor! — I am a first year Bio-Chem Major at Santa Clara University. Dave helped me secure an A in my Precalculus class and a B in my Chemistry 11 (1st year general chemistry) class. He is very easy to work with and very intelligent. An excellent tutor! ...

— Madison, Santa Clara, CA on 1/22/14

Hourly rate

Standard Hourly Rate: $50.00

Cancellation: 24 hours notice required

Travel policy

David will travel within 8 miles of Los Gatos, CA 95032.