English: Physicist Dr. Susan Seestrom joined Los Alamos National Lab in 1986 as a nuclear physicist and later became the first female leader of the Physics Division and the Weapons Physics Directorate. In 2013, she was the first woman to become a Senior Fellow at the Laboratory. Seestrom is also the first (and only) woman to chair the Nuclear Science Advisory Committee for both the Department of Energy and the National Science Foundation. Today, she is the Chief Research Officer and Associate Laboratories Director for Advanced Science and Technology at Sandia National Laboratories, a position she’s held since May 2017.