Frank Pfenning is a professor of computer science, adjunct professor in the department of philosophy, and head of the Computer Science Department at Carnegie Mellon University. He received his Ph.D. from the Carnegie Mellon University Department of Mathematics in 1987, for his dissertation entitled Proof Transformations in Higher-Order Logic. He was a student of Peter B. Andrews. He is a competitive squash player, ranked in the top five of the university's squash ladder. He has also appeared in an experimental film alongside Sharon Needles.