Alleace Gibbs, vice president of communications at Northrop Grumman™s (NYSE: NOC) technology services sector, has been named VP of communications at

Claudio Monticelli, currently executive vice president for program management at  Advanced Concepts and Technologies International, has been promoted to chief

Three senior executives at McLean, Virginia-based Bluestone Capital Partners will join Houlihan Lokey™s (NYSE: HLI) aerospace, defense and government services

Roger Krone, chairman and CEO of Leidos (NYSE: LDOS), has been elected to serve as vice chair of the Professional

David Hathaway, formerly vice president, partner and head of defense and intelligence industry team at IBM™s (NYSE: IBM) global business

PV Puvvada, president of Unisys‘ (NYSE: UIS) federal business, has been appointed to chair the Professional Services Council’s board of directors.

David Kushner, formerly senior director of federal civilian sales at ViON, has been appointed vice president of federal sales at

Kevin Phillips, president and chief operating officer of ManTech International (Nasdaq: MANT) over the past year, has been promoted to

Peter Altabef, president and CEO of Unisys (NYSE: UIS), has been named chairman of the Blue Bell, Pennsylvania-based information technology

Clyde “Tom” Nixon, a more than 25-year public sector market veteran, has joined MetroStar Systems as chief growth officer at