https://www.scientificamerican.com/article/biden-administration-appoints-acting-nasa-chief/ > After NASA’s chief Jim Bridenstine’s resigned yesterday (Jan. 20), President Joe Biden’s administration has appointed Steve Jurczyk to serve as acting administrator until the role is permanently filled. > Jurczyk has been the agency’s associate administrator since May 2018, according to his NASA biography; all told, he has worked at NASA since 1988. Jurczyk is one of 34 acting leaders announced by Biden and his vice president, Kamala Harris, hours after their inauguration.