Bryan to head ManTech defense group

ManTech International Corp. has hired retired Army Maj. Gen. James David Bryan as the new president at its Defense Systems Group.

Bryan succeeds retired Army Maj. Gen. Eugene Renzi, who will now have broader unspecified duties as the company's senior executive vice president.

Upon his retirement from the Army in 2004, Bryan served as vice president of defense transformation and deputy of the Defense Enterprise Solutions Group at Northrop Grumman Information Technology. He was appointed a sector vice president at Northrop Grumman in 2007.

Bryan is a graduate of Jacksonville State University and has a master's degree from North Carolina State University. He also is a graduate of the Army Command and General Staff College and the Army War College.

ManTech ranks No. 31 on Washington Technology's 2007 Top 100 list of the largest federal government prime contractors.