Joshua Zucker Joshua Zucker co-founded the Math Teachers’ Circle and was the founding Director of Julia Robinson Mathematics Festival. Josh leads workshops on how to run Math Teachers’ Circles and he leads Math Circles throughout the Bay Area for students and teachers of all ages. He is also an instructor for the Art of Problem Solving. As a high school student, Josh was a member of the first US team to compete at the International Physics Olympiad. He graduated from Stanford in 1990 with a BS in Physics and MS in Mathematics. Josh then earned an MS in Astronomy at UC Berkeley.