Rick Simpson, formerly chief financial officer at CB Insights, has assumed the CFO position at Exostar, a Herndon, Virginia-headquartered provider

Crystal Hair, a cloud strategist with nearly two decades of industry experience, has been named chief technology officer at A-TEK,

Software developer Bluestaq has named Brandon Tripp, a previous director at the U.S. Army Space and Missile Defense Command and

Heather Newlin, a GovCon industry executive, has joined federal information technology company NuAxis Innovations as chief delivery officer. NuAxis Innovations

Mike Page, a more than two-decade federal market executive and a retired U.S. Army major, has joined Arlington, Virginia-based government

Darrell Graddy, formerly chief operating officer of Leidos‘ (NYSE: LDOS) U.K. business arm, has been appointed chief strategy officer at

Shawn Julien, formerly senior director of human resources at General Dynamics‘ (NYSE: GD) information technology unit, has joined technology services

Dan Davis, a GovCon industry executive, has joined ASRC Federal as vice president of solution architecture. He announced his appointment

Elizabeth Larson, a more than two-decade Siemens veteran, has taken on the chief financial officer role at the company’s federally

Jon Rosenwasser, former budget and policy director at the Senate Select Committee for Intelligence, has joined the Office of the