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Leon Z.

Physics, Math -- Improve your scores greatly, quickly, and pleasantly!

Stanford, CA (94305)

Travel radius
20 miles
Hourly fee
$120.00
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I am an experienced tutor from the most prestigious tutoring companies in the Bay Area, and I taught physics for years in universities. My tutoring focuses on physics, high-level math such as calculus, and test prep. Most of my students are high school juniors, seniors, and university students (mostly from Stanford). My regular students saw one to three grade points improvements; my AP test prep students saw one to three grade points improvements with just three to five sessions; and my SAT Subject test students saw 70 to 180 points improvements out of 800. My recent four students in SAT Physics and Math Subject tests received 770, 800, 800, and 800 (out of 800)!

My very first student needed help to get a B in physics and, with my help, got an A! My very first SAT Physics Subject test student improved his score from 610 to 790 (out of 800) in his practice tests. My very first one-on-one class student learned half a semester’s material in 7 sessions, gained in-depth understandings into the true meaning of calculus, and became confident in jumping from middle-lane pre-calculus into the fastest-lane calculus. His mom added, “Thank you so much, Leon! I know you’ve definitely put his mind at ease, too!” These are just the very firsts — they say one improves with experience.

My students frequently ask me to teach/tutor them in other subjects and/or their younger brothers and sisters. After the very first session in physics, my very first student (mentioned above) asked me to also tutor him in calculus. Later, his mom asked me to tutor his younger brother in AP Calculus and AP Physics. My first one-on-one class student (described above) asked me to help him with his precalculus/calculus course after I tutored him SAT Physics subject test. The mom of my very first SAT Physics Subject test student just asked me to tutor his younger sister, who just got a 96 in her test after her first session with me!

My sessions are highly effective and efficient — many of my students find they need just half to two thirds of the session time they projected, thus lowering their total costs and saving their valuable time.

My students enjoy our sessions. I put my students at ease by never lecturing them but quickly figuring out and appreciate what they know and then guiding them to learn what they don’t yet know. As I guide them to achieve new understandings, the dull equations start to make sense, and their eyes sparkle. “That was so cool!” “That’s a beautiful equation!” many of my students often say.


I have practically four degrees — a Bachelor of Science from Peking University, majoring in mechanics, the first and largest branch of physics; a Masters and practically a PhD (missing one course) with a 4.0/4.0 GPA from the University of Cincinnati, also majoring in mechanics; and an MBA from the University of Chicago.

My passion for teaching started before I was born — my father is a lifelong quantum physics professor (now retired) and my late mother taught in high school. One day when I was a child, my dad proudly said he had begun teaching my brother when he was three. I cried out, “I’m four and a half already! How come no one has begun teaching me yet?” When my sister turned three, I made sure someone began teaching her — by teaching her the first grade textbooks myself — when I was eleven years old.

Later, I taught physics (fluid mechanics) at Beijing University of Science and Technology and was a teaching assistant for college-level physics (solid mechanics) while pursuing my graduate study at the University of Cincinnati. In one of the most prestigious tutoring companies in the bay area, I professionally tutored high school students in physics, calculus, precalculus, algebra, trigonometry, AP test prep, and SAT Subject test prep, with my students routinely reporting great improvements in both their understanding and scores, as described earlier.

As my students have found out, I am friendly, have great patience, good at making difficult subjects understandable and hard-to-remember equations memorable. I can make seemingly dull math/science subjects interesting, so my sessions are always interesting to my students. I highly customize to the specific needs, learning styles, and personalities of my students. Furthermore, I keep their parents updated.

I am strong in all areas in physics and math. I not only studied, taught, assisted teaching, and tutored physics as mentioned above but also conducted research in physics first as a PhD student, published two papers, and then as a Principal Researcher at an Institute, I published a book on physics. Since high-level physics research requires in-depth knowledge of mathematics, I took 50 credit hours of math as an undergraduate student and minored in mathematics while pursuing my PhD (equivalent to a Master’s degree in mathematics). When I was a ninth grader, I was a winner in high school math competition first in Shenyang, a city of 8 million people, larger than the state of Massachusetts, and then in Liaoning, a province of 44 million people, larger than the country of Spain.

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Leon’s subjects

Algebra 2

I am experienced in tutoring algebra 2 with excellent results, and I routinely help students catching up what they forget in algebra while tutoring them higher-level mathematics and physics courses. I just got 100% on my algebra 2 test without any preparation.

Calculus

I am experienced in tutoring all areas of calculus, precalculus, and AP calculus prep, and in teaching one-on-one calculus/precalculus courses that prepare for, bridge into, or replace regular courses in school (depending on the number of sessions) with outstanding results.

Differential Equations

I studied several differential equation courses (including ordinary, partial/multivariable, and complex differential equations) first as an undergraduate student and then as a graduate student. My work/research involved in solving differential equations intensively for many years as well. As I completed all requirements for a math minor in a PhD program (equivalent to a master's degree in math) and used math heavily in my work/research, I have ample backgrounds to tutor this and practically all college-level math courses. I also helped students from time to time to solve differential equation problems while tutoring them other high-level math and physics courses.

Geometry

I routinely help students catching up on what they forget in geometry while tutoring them on higher-level mathematics. I just got 100% on my geometry test without any preparation.

Linear Algebra

I am experienced in tutoring linear algebra with excellent results at Stanford University. Furthermore, I studied linear algebra as both an undergraduate student and later a graduate student. And my research utilized linear algebra intensively for many years, through which I gained in-depth understanding of this beautiful and yet highly useful branch of mathematics.

Physics

I am experienced in tutoring academic physics (including college and high-school level courses), in physics test prep (SAT Physics Subject test, AP Physics B, and AP Physics C), and in teaching one-one-one physics courses — all with outstanding results. I also taught physics for years in universities.

Precalculus

I am experienced in tutoring precalculus and in teaching one-on-one precalculus courses that prepare for, bridge into, or replace regular courses in school (depending on the number of sessions) with outstanding results.

SAT Math

I have experiences in tutoring math for both academics and for standardized tests, including SAT Math and SAT II/Subject Math tests, with my students increasing their scores greatly. Furthermore, I was a winner in high school math competition first in Shenyang, a city with 8 million people, larger than the state of Massachusetts, and then in Liaoning, a province with 44 million people, larger than the country of Spain.

Trigonometry

I am experienced in tutoring trigonometry with excellent results, and I routinely help students catching up what they forget in trigonometry while tutoring them higher-level math and physics. I just got 100% on my trigonometry test without any preparation.

Read all subject qualifications »

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Education

Peking University (Physics)

University of Cincinnati (Master's)

University of Chicago (MBA)

Great physics tutor, fast results, knows his stuff! In two sessions, my SAT Physics Subject test score jumped from 700 to 800! I was well-prepared for the sessions and knew exactly where I needed help with; you should too if you want that kind of increase! ...

— Daniel from Atherton, CA on 12/24/13);

Hourly fee

Standard Hourly Fee: $120.00

Cancellation: 24 hours notice required

$120/hour for regular academic tutoring or $150/hour for test prep.

Travel policy

Leon will travel within 20 miles of Stanford, CA 94305.

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