I have been teaching and tutoring mathematics, chemistry, biology, and physics, and preparing students for the SAT and ACT for many years. I also specialize in physics and chemistry olympiads, the biology olympiad (USABO), and math competitions (especially the AMC, AIME, and USAMO). In addition to my many private students, I have worked for several tutoring centers including Sylvan, Mathnasium, and Seed of Paramus. I have also worked for the New York City Department of Education, teaching hig...