I currently do not have much time for private lessons. If you are looking for private lessons, it wouldn’t hurt to ask me first to see if I can take on any new students. If not I will likely refer you to one of my recommended mentors:

Xinke’s Recommended Mentors List: (last updated June 14, 2022)

The Beauty of Math

Tutoring website:
Mr. James tutors AMC 8, AMC 10, AMC 12, Mathcounts, and Intro AoPS level math.

Aaron Marcus – MIT Bachelor of Science in math. 20 years of teaching and tutoring experience, including 5 years of classroom experience at the University of Chicago, from high school to graduate level subjects. A veteran of several math contests, including Mathcounts, AMC, AIME, ARML, Putnam, and more, he can tutor for AMC 8, Mathcounts, AMC 10/12, and AIME as well.

Eugene Wu – USAMO qualifier, Mathcounts Nationals qualifier. Has 3 + years experience tutoring math and physics at the high school level. Can also tutor for contest math at the AMC 8/10/12 and Mathcounts level.

Victoria Li – Did her undergraduate studies in applied mathematics (physics minor) at MIT, University of Colorado Boulder, Peking University (study abroad), and Tsinghua University (study abroad). Researched mathematical biology as an IQ Biology Fellow at BioFrontiers Institute, the Lambert w function and predicting off-target mutations of CRISPR-Cas9 genome modification as a graduate student at University of Colorado Boulder, and DAOs at Cryptorado. Victoria has an MS Applied Mathematics from University of Colorado Boulder and an MSc Digital Currency from University of Nicosia, and tutors all college level math classes besides Abstract Algebra, Group Theory, Time Series, and Graph Theory. Victoria can also tutor all levels of high school physics. 
Tutoring Policies:

Aziz Manva – MBA in Finance from IIM-Lucknow, CFA Level I
Passionate about teaching math. Transitioned from a managerial role to teaching math full time in 2016.   Teaches:
A. School math (Middle School, Algebra 1 & 2, Geometry, PreCalculus), AP Calculus, AP Statistics
B. Competitions: AMC 8/10, Mathcounts, MOEMS

Email me at for a more updated and complete list of suggested tutors.