Stephen Winchell — 24th DARPA Director

**Stephen L. Winchell** is the 24th Director of DARPA (Defense Advanced Research Projects Agency), confirmed 2025. U.S. Naval Academy (BS Physics), Naval Postgraduate School, Johns Hopkins University, University of Virginia Darden School of Business (MBA). Submarine officer (qualified on nuclear submarines). Career trajectory: Navy nuclear sub officer → defense tech innovator → DARPA leadership.