William Varner serves as ManTech International’s president and chief operating officer of mission, cyber and intelligence solutions group. Varner was the vice president, corporate officer and executive director of intelligence operations unit at Northrop Grumman–TASC between July 2004 and September 2009 before joining ManTech. He previously served as division director at TASC from June 1978 […] More

Bill Varner, former president of ManTech‘s mission, cyber and intelligence solutions group, has joined the board of directors at Cornerstone Defense. He said in a statement released Tuesday he plans to work with Cornerstone Defense‘s executive team and continue to contribute to U.S. government missions. The Hanover, Md.-based company offers support services to the intelligence and defense sectors in […] More

Matt Tait, chief operating officer of ManTech International since July 2020, has been promoted to the president and CEO positions. He succeeds Kevin Phillips, who has led ManTech over the past four years and will continue to serve as chairman of the board, the company said Monday. Tait’s promotion is effective immediately and comes less […] More