Gregg H. Alton has been named executive vice president, Corporate and Medical Affairs at Gilead Sciences. He was previously senior vice president and general counsel, responsible for legal, government and public affairs and international access operations, and recently assumed the additional responsibility of management for Gilead’s global medical affairs activities and personnel. Mr. Alton will continue to report to John C. Martin, Ph.D., Gilead’s chairman and chief executive officer. “Gregg...