George Morrow became executive vice president of Worldwide Sales and Marketing in January 2001 and became executive vice president, Global Commercial Operations in April 2003. From January 1999 to December 2000, Morrow was president and chief executive officer of Glaxo Wellcome Inc., a subsidiary of GlaxoSmithKline plc. From January 1997 to December 1998, Morrow was managing director of Glaxo Wellcome U.K., also a subsidiary of GlaxoSmithKline plc. From May 1993 to December 1996, Morrow was group vice president for Commercial Operations of Glaxo. Morrow is a member of the Duke University Fuqua School of Business Advisory Board and Medical Center Board of Visitors. He has also served on numerous boards for GlaxoWellcome,  and Johns Hopkins School of Public Health.