Marc Surette, a senior sales executive within the U.S. public sector, has joined Zscaler (Nasdaq: ZS) as regional vice president

Christopher Geiger, a 21-year veteran of Lockheed Martin (NYSE: LMT), has been promoted to a vice president position at the

Kevin Steen, a more than 20-year satellite technology industry veteran, has been appointed to succeed Bob Roe as CEO of

Bill Weber, former president and CEO of KeyW, has assumed the CEO role at Texas-based space transportation developer Firefly Aerospace.

Boyd Johnson, a corporate compliance and governance professional with more than 25 years of industry experience, has been appointed chief

Michael Browne, a retired U.S. Navy rear admiral and former IBM (NYSE: IBM) executive, has joined software company Decision Lens

Golden Key Group has chosen Michael McGregor, former director of personnel management for the U.S. Army Human Resources Command, to

Guy Montminy, former president of the platforms and services sector at BAE Systems’ U.S. arm and a previous Wash100 Award

Tim Cahill, senior vice president of global business development and strategy at Lockheed Martin (NYSE: LMT), has been appointed to

James Cassella, a former DynCorp International executive, has been named senior vice president and chief revenue officer at Solon, Ohio-based