Rick Ambrose, executive vice president of Lockheed Martin’s (NYSE: LMT) space business and a six-time Wash100 Award winner, will retire

John Johnson, a retired U.S. Army lieutenant general and formerly a vice president at Raytheon Technologies (NYSE: RTX), has joined

Matt Thompson, president of the Kantara Initiative’s board of directors, has been named general manager of public sector solutions at

Michael Daniels, chairman of CACI International (NYSE: CACI), and Lisa Disbrow, board chair at LMI, has been appointed to lead

Leah Rowe, a more than 10-year veteran of the Air Force Research Laboratory, has joined PAR Technology‘s (NYSE: PAR) government

Frank Finelli, a managing director at The Carlyle Group and a previous Wash100 Award recipient, has joined the public sector

James Stavridis, a 37-year U.S. Navy veteran, has joined the board of directors at Sunnyvale, California-based cybersecurity company Fortinet (Nasdaq:

Craig Brower, former vice president and general manager of the public sector business at Orbital Insight, has been appointed president

Mitre executives Wilson Wang and Jay Schnitzer have assumed senior vice president roles at the McLean, Virginia-based nonprofit research company.

John Hart, a more than 25-year GovCon industry veteran, has been named chief growth officer of Valiant Integrated Services in