NASA Administrator Announces Senior Leadership Updates “NASA Administrator Jim Bridenstine has announced updates in senior leadership positions at Headquarters in Washington, including Stephen Shinn becoming acting Chief Financial Officer (CFO). Melanie Saunders, who has served as acting Chief Financial Officer since February 2020, will return to her position as NASA Deputy Associate Administrator. She has held that position since 2018. Cathy Mangum, who has been the acting Deputy Associate Administrator […]