Claim: Gillet received his master's degree from King’s College London in 1974 and his Ph.D. from Harvard University in 1978; then as a postdoc, he was an instructor and an assistant professor at Princeton University from 1981.
Evidence: Gillet received in 1974 his bachelor's degree from King's College London and in 1978 his Ph.D. from Harvard University under David Mumford with thesis Applications of Algebraic K-Theory to Intersection Theory.