Dr. London is Executive Chairman and Chairman of the Board of CACI International, Inc., a pacesetter in IT and communications solutions across markets throughout North America and Western Europe. He joined CACI in 1972 and from 1984–2007 was its President and CEO. Dr. London is a 1959 graduate of the U.S. Naval Academy and served on active duty as an aviator for 12 years during the Cold War. He served another 12 years in the Navy Reserve, attaining the rank of Captain.