Jeffrey Phelan, former public sector chief technology officer at Rubrik, has joined artificial intelligence cloud technology provider H2O.ai as public sector

Robert “Bob” George, a more than 30-year business leader and finance executive, will assume the role of chief financial officer

Mark Serway, chief financial officer of Hitachi Vantara‘s federal arm, has been appointed to serve as president and CEO at

John Clark, a 23-year Lockheed Martin (NYSE: LMT) veteran, has been appointed vice president and general manager of the company’s

Southwest Research Institute has promoted James Keys Jr. from executive director to vice president of the nonprofit research and development

Margaret Palmieri, founder and former director of the Navy’s digital warfare office, has been appointed deputy chief digital and artificial

Paul Harris, corporate vice president and chief compliance and privacy officer at Huntington Ingalls Industries (NYSE: HII), is set to

Scott Cragg, a nearly two-decade federal information technology veteran, has been named director of strategic growth at IT and contact

Tim Kopra, a former NASA astronaut who became commander of the International Space Station, has joined the U.S. proxy organization

Church Hutton, a more than two-decade veteran of the public and private sectors, has been named vice president of government