Chairman Clayton was born at Fort Eustis in Newport News, Virginia and was raised primarily in central and southeastern Pennsylvania. In his professional career, he has lived in Philadelphia, New York, London, and Washington, D.C.
Prior to joining the Commission, Chairman Clayton was a partner at Sullivan & Cromwell LLP, where he was a member of the firm's Management Committee and co-head of the firm's corporate practice. From 2009 to 2017, Chairman Clayton was a Lecturer in Law and Adjunct Professor at the University of Pennsylvania Law School.
Prior to joining Sullivan & Cromwell, Chairman Clayton served as a law clerk for the Honorable Marvin Katz of the U.S. District Court for the Eastern District of Pennsylvania. A member of the New York and Washington, D.C. bars, Chairman Clayton earned a B.S. in Engineering from the University of Pennsylvania (summa cum laude), a B.A. and M.A. in Economics from the University of Cambridge (Thouron Scholar), and a J.D. from the University of Pennsylvania Law School (cum laude, Order of the Coif).