Paul Zeitz co-founded Proof School. He is the Mathematics Chair at the University of San Francisco, and the Chair of Proof School’s Board of Directors.

Paul has devoted his career to mathematical outreach and education at all levels. He has helped train several US International Math Olympic teams and co-founded the Bay Area Mathematical Olympiad (BAMO) and San Francisco Math Circle. He is a frequent speaker at math circles for students and teachers around the country. 

He is the author of The Art and Craft of Problem Solving in 1999, and in 2009 The Teaching Company produced a 12-hour video course by the same name. 

A graduate of Stuyvesant High School in Manhattan, Paul won the USA Mathematical Olympiad in 1974 and was a member of the first US team to compete in the International Mathematical Olympiad (IMO). He was honored with the Mathematical Association of America’s Haimo Award for Distinguished College or University Teaching of Mathematics in 2003.

Ph.D. Mathematics, UC Berkeley; B.A. History, Harvard University