Anthony L. Peratt is an American physicist whose most notable achievements and work have been in plasma physics, nuclear fusion and the monitoring of nuclear weapons.
He received a Ph.D in electrical engineering / plasma physics in 1971 from the University of Southern California (USC), Los Angeles. He has awarded a Master of Science in electrical engineering in 1967, also from USC.
He worked at the Lawrence Livermore National Laboratory between 1972 and 1979, during which time he held the position of a Guest Physicist at the Max Planck Institute for Physics and Astrophysics at Garching, near Munich, from 1975 to 1977. From 1981 to the present he has worked at the Los Alamos National Laboratory, serving in the Applied Theoretical Physics Division. He had a sabbatical in 1985 as Guest Scientist at the Alfvén Laboratory of the Royal Institute of Technology in . He led the N-Tunnel Diagnostics Program for Los Alamos at the Nevada Test Site nuclear testing ground from 1991 to 1993, when he became leader of the American inspection team for the Russian Arctic nuclear test site at Novaya Zemlya. Dr. Peratt was seconded as a Scientific Advisor to the United States Department of Energy (USDOE) from 1995 to 1999. Whilst working for the USDOE he was the Acting Director, National Security, Nuclear Non Proliferation Directorate in 1998.