Since June 2006, Michael Anastasio has been the director of the Los Alamos National Laboratory.
On Wednesday afternoon, in a letter to LANL employees, Anastasio, 62, said he was going to step down from the post on June 1. Anastasio thanked LANL employees for their many accomplishments, tireless efforts and continued support over the years. Anastasio also serves as president of the Los Alamos National Security LLC, the company that manages and operates LANL for the Department of Energy’s National Nuclear Security Administration.