Kiyoshi Igusa (born November 28, 1949) is a Japanese-American mathematician and a professor at Brandeis University. He works in representation theory and topology.
He studied at the University of Chicago and Princeton University, where he obtained his Ph.D. in 1979, under the direction of Allen Hatcher.[1][2]
From 1981 to 1983, he was a Sloan Fellow, and since 2012 he is a Fellow of the American Mathematical Society.[3]
In 1990, he gave a invited lecture at the ICM in Kyoto (Topology Section).[4]
Igusa's father, Jun-Ichi Igusa, was also a mathematician. Igusa is married to Gordana Todorov,[5] with whom he is a frequent collaborator.[6]