Brendan O. Bradley joined Acadian in 2004 and is the Chief Investment Officer. Mr. Bradley has served as the firm’s director of portfolio management, overseeing portfolio management policy, and was also previously the director of Acadian’s Managed Volatility strategies. He is a member of the Acadian Executive Committee. Prior to Acadian, he was a Vice President at Upstream Technologies, where he designed and implemented investment management systems and strategies. His professional background also includes work as a research analyst and consultant at Samuelson Portfolio Strategies. Mr. Bradley earned a Ph.D. in applied mathematics from Boston University and a B.A. in physics from Boston College.