Mr. O�Brien retired in 2002 as the Chief Executive Officer of Allmerica Financial Corporation, a public insurance company. In addition to serving on our Board of Directors, he is a director of Cabot Corporation, a global specialty chemicals corporation, The TJX Companies, Inc., a discount retailer of apparel and home fashions, Abiomed, Inc., a developer and manufacturer of cardiovascular products, and a family of mutual funds managed by Merrill Lynch Investment Managers, an investment management advisory firm. From August 1989 to November 2002, Mr. O�Brien was President and Chief Executive Officer of Allmerica Financial Corporation. From 1968 to 1989, Mr. O�Brien held several positions at Fidelity Investments, including Group Managing Director of FMR Corporation (from 1986 to 1989), Chairman of Institutional Services Company (from 1986 to 1989) and Chairman of Brokerage Services, Inc. (from 1984 to 1989). |