Chairman of the Rockefeller Foundation since December 2000, Orr in 1995 first became a trustee of the global foundation. From May 2000 to December 2001, Orr was president and chief executive officer of Boston-based United Asset Management Corporation, one of the largest publicly owned investment management companies in the world. In 1999, he was chairman and chief executive officer of UNUM Provident Corporation, a global provider of group disability and other types of insurance. From 1987 to 1999, he was chairman and chief executive officer of its predecessor, UNUM Corporation. Orr also was executive vice president and treasurer of Connecticut Bank & Trust Company and president of Cardinal Management Company, a Boston investment management firm. Orr, 60, received a bachelor's degree in science from Villanova University and a master's degree in business administration from Boston University. He is currently a trustee of Bates College and Villanova University, an overseer of the Harvard School of Public Health and a member of the Children's Hospital Trust in Boston.