Stephen Mock is a seasoned technology leader with extensive experience in the financial services sector. Currently serving as Principal and Chief Technology Officer at AQR Capital Management since March 2012, Stephen has also held the roles of Managing Director and VP, focusing on Enterprise Architecture and Trading Technology. Prior to joining AQR, Stephen worked at Macquarie Bank as Associate Director and Systematic Trading Strategist, and at Magnetar Capital as a Developer. Additional experience includes a VP position at BMO Capital Markets and a Senior Software Developer role at BNP Paribas, alongside earlier experience as a Software Developer at Cooper Neff.