Jeffrey Massimilla, former General Motors (NYSE: GM) executive, was appointed vice president of global engineering and technology at General Dynamics‘

Michael Greenberg, a retired U.S. Army colonel, has been named senior vice president of Army at data management and planning

Collin Lee has taken on the role of space business development vice president at Science Applications International Corp. (NYSE: SAIC),

Matthew Dost, formerly general counsel and director of contracts at Allied Associates International, has been named general counsel and vice

Chris Tsirlis, a U.S. Marine Corps veteran, has been appointed vice president of business development and product innovation at Airbus

Rachel Willard, formerly director of program finance and business transformation at Leidos (NYSE: LDOS), has been named vice president of

Ryan Gillis, a cybersecurity executive, has joined cloud security company Zscaler (Nasdaq: ZS) as senior vice president and global head

Kathleen Halberstadt Henry, former vice president of corporate finance, accounting and treasury at Mitre, announced via LinkedIn on Thursday that

Pete Nelson, former vice president at Peraton, will join digital services and management consulting company MetroStar as chief growth officer,

Mitch Stevison is stepping down as executive vice president and president of the mission systems division at Mercury Systems (Nasdaq: