Ravi Vakil is the faculty advisor for the Stanford Math Circle. As a high school student, Ravi placed first in the USA Mathematical Olympiad, and won two gold medals and one silver medal at the International Mathematical Olympiad (IMO). In 1987, he wrote a perfect paper at the IMO. As an undergraduate student at the University of Toronto, Ravi was the winner of the the top award of Putnam Fellow in the Putnam Math Competition in each of his four years. Ravi earned his Ph.D. in mathematics at Harvard University in 1997, and is currently a Professor of Mathematics at Stanford University.