Janet E. Petro is an American engineer and civil servant currently serving as the acting Administrator of NASA and the 11th director of the agency’s Kennedy Space Center (KSC). When she was appointed KSC director on June 30, 2021, by then-NASA Administrator Bill Nelson, Petro made history as the first woman to hold the position. She later assumed the role of acting administrator on January 20, 2025, following her appointment by President Donald Trump, becoming the first woman to hold that role as well.