Kneeland C. Youngblood has been a managing partner of Pharos Capital Group, L.L.C., a private equity fund focused on technology companies, business service companies and health care companies, since January 1998. From July 1985 to December 1997, he was in private medical practice. He is Chairman of the Board of the American Beacon Funds, a mutual fund company managed by AMR Investments, an investment affiliate of American Airlines. Mr. Youngblood is also a director of Burger King Holdings, Inc. and Gap, Inc., Mallinckrodt plc, and TPG Pace Holdings Corporation. He is a member of the Council on Foreign Relations and serves as a trustee of the Dallas Police and Fire Pension System. Mr. Youngblood has been a Director of the Company, and was a Trustee of the Trust, since April 2001.