Gilchriest William is the Managing Director at Drexel Hamilton, an investment bank based in the United States. He has held this position since joining the firm. Prior to his current role, William served as the Global Head of Collateral Management at Credit Suisse. His extensive career in finance also includes a tenure as Director at Credit Suisse starting in October 2008 and a significant period at Lehman Brothers, where he was a Senior Vice President from January 1992 to January 2008. William is based in New York, New York.