Mr. Hack has served as a member of our board of directors since May 2002. Since January 1995, Mr. Hack has served as a senior managing director of Nassau Capital L.L.C., an investment firm that he founded which manages a portfolio of investments in private companies on behalf of Princeton University's endowment. From 1990 to January 1995, Mr. Hack served as President of the Princeton University Investment Company, which oversees Princeton's Endowment. From 1979 to 1988, he served as President and CEO of Matrix Development Company, a commercial and industrial real estate development firm that he founded. Mr. Hack also serves as President and Chief Executive Officer of Capstone Capital L.L.C., an investment firm that he founded. He also serves as an Advisory Director for Berkshire Partners, a Boston-based private equity firm. Mr. Hack received an A.B. degree from Princeton University and a M.B.A. degree from Harvard Business School.