Chairman and Co-Chief Executive Officer of Sagent Advisors Inc., a financial advisory firm, since September 2003. Mr. Cohen has been Lead Director of Chubb's Board since December 2003 and was Chairman of the Board (non-executive) from December 2002 to December 2003. Mr. Cohen previously was Managing Director and co-head of Global Mergers and Acquisitions at Donaldson, Lufkin & Jenrette Securities Corporation (DLJ), a leading investment and merchant bank, until his retirement in November 2000. He had been associated with DLJ since October 1989. He had previously served as General Counsel to the Presidential Task Force on Market Mechanisms and as a partner of the law firm Davis Polk & Wardwell. Mr. Cohen also serves on the boards of Borders Group, Inc. and Maersk, Inc.