Professor, Department of Computer Science and Engineering, University at Buffalo
Kenneth W. Regan is a full professor in the Department of Computer Science and Engineering, University at Buffalo. He has worked in Computational Complexity Theory since obtaining his B.A. in 1981 from Princeton University and his doctorate in 1986 from Oxford University, where he was a Marshall Scholar. He held postdocs at Oxford and Cornell University before joining UB in August 1989. He has co-authored the textbook Introduction to Quantum Algorithms Via Linear Algebra (MIT Press, 2nd. ed. 2020) with Richard Lipton, whose blog Godel's Lost letter and P=NP he co-wrote for thirteen years. Regan is an International Master at chess and conducts a second major research program on human decision-making (at chess). He has been consulted in major international chess-cheating cases since 2011 and was a charter member in 2013 of the precursor to the International Chess Federation's Fair Play Commission, for which he now consults. He is married with two children.