Head of the Department of Mathematics, Peking University. Genius Know is a large-scale educational program for college students in China, which was created by China Education Television. It ended with the first quarter final of 20 1 1. Yan Kun, an undergraduate of Peking University Institute of Mathematical Sciences, performed well in the program and won the second place, winning the public welfare fund of120,000 yuan for the school. Now she is the head of the Department of Mathematics in Peking University.