William H. Janeway is senior advisor at Warburg Pincus. Bill received his doctorate in Economics from Cambridge University, where he was a Marshall Scholar. He was valedictorian of the class of 1965 at Princeton University. Prior to joining Warburg Pincus in 1988, where he was responsible for building the information technology practice, he was executive vice president and director at Eberstadt Fleming.

Bill is a director of Fortent Corp., NYFIX Inc., O'Reilly Media, Nuance Communications, and Wall Street Systems, and a member of the board of managers of Roubini Global Economics. He is also chairman of the board of trustees of Cambridge in America, University of Cambridge, co-chair of Cambridge's 800th Anniversary Capital Campaign, and a founder member of the board of managers of the Cambridge Endowment for Research in Finance (CERF). Bill is a member of the board of directors of the Social Science Research Council.