Dr. Arthur Benjamin is a mathemagician: a professional magician and a professor of mathematics at Harvey Mudd College, in Claremont California.

In his high energy keynote address and workshops, he demonstrates and explains how to calculate math in your head faster than a calculator, and other amazing feats of mind.   He is co-author of Secrets of Mental Math, has given widely watched
TED talks, and has created several DVD courses for The Great Courses,
including The Joy of Mathematics.