WASHINGTON (NASA PR) — Kathy Lueders, NASA’s associate administrator for Human Exploration and Operations, has named Robyn Gatens as acting director of the International Space Station at NASA Headquarters. The appointment was effective Aug. 25. Sam Scimemi, the former director, has assumed new responsibilities as a special assistant for the agency’s Human Exploration and Operations Mission Directorate.

“Robyn has demonstrated her leadership and strategic vision for the International Space Station and our efforts to enable a robust low-Earth orbit economy, and I am confident she will continue to do so as acting director,” said Lueders.