Dexter Campbell Kozen (born December 20, 1951) is an American theoretical computer scientist.
[1] Kozen received his BA in mathematics from Dartmouth College in 1974 and his PhD in computer science in 1977 from Cornell University, where he was advised by Juris Hartmanis on the thesis, Complexity of Finitely Presented Algebras.
He is one of the fathers of dynamic logic[4] and developed the version of the modal μ-calculus most used today.
[5] His work on Kleene algebra with tests[6] was recognized with an Alonzo Church Award in 2022.
[11] He also holds the position of faculty advisor for Cornell's rugby football club.