John Brian Conrey is an American mathematician and the executive director of the American Institute of Mathematics. His research interests are in number theory, specifically analysis of L-functions and the Riemann zeta function. He received his B.S. from Santa Clara University in 1976 and received his Ph.D. at the University of Michigan in 1980.
He is the founding executive director of the American Institute of Mathematics and on the editing board of the Journal of Number Theory. The American Mathematical Society jointly awarded him the eighth annual Levi L. Conant Prize for expository writing in 2008 for The Riemann Hypothesis.
Since 2005 he has been part-time professor at the University of Bristol, England.