Mark David Haiman is a mathematician at the University of California at Berkeley who proved the Macdonald positivity conjecture for Macdonald polynomials. He received his Ph.D in 1984 in the Massachusetts Institute of Technology under the direction of Gian-Carlo Rota.[1] Previous to his appointment at Berkeley, he held positions at the University of California, San Diego and the Massachusetts Institute of Technology.[2]
In 2004, he received the inaugural AMS Moore Prize.[3] In 2012, he became a fellow of the American Mathematical Society.[4]