Freydoon Shahidi (born June 19, 1947) is an Iranian American mathematician who is a Distinguished Professor of Mathematics at Purdue University in the U.S.
He received his Ph.D. in 1975 from Johns Hopkins University with dissertation On Gauss Sums Attached to the Pairs and the Exterior Powers of the Representations of the General Linear Groups over Finite and Local Fields with advisor Joseph Shalika.
[2] As a postdoc Shahidi was for the academic year 1975–1976 at the Institute for Advanced Study and for the academic year 1976–1977 a visiting assistant professor at Indiana University in Bloomington.
[3] He was in 2002 an Invited Speaker at the International Congress of Mathematicians in Beijing with talk Automorphic L-functions and functoriality.
[6] He is a member of the editorial board of the American Journal of Mathematics.