Po-Shen Loh

Professor of Mathematics
Carnegie Mellon University, Wean 6208

National Coach,
USA International Math Olympiad team
     USA back-to-back #1's breaking 21 year gap; Google News

Founder of Expii and NOVID
     Personalized learning, videos bringing math to life, and math contest classes

Research interests:
     Combinatorics, probability, algorithms; real applications

Main webpage for general public

Research / papers
Teaching / CMU Putnam
     21-228 Discrete Math (Spring 2021)
     YouTube math channel / 中文
United States Math Olympiad Program
Computer hacking


(844) 314-1593@poshenloh

You are visitor number since 26 Jan 2005.