Dr. Apostolakis is a professor emeritus of the Nuclear Science and Engineering Department and of the Engineering Systems Division of the Massachusetts Institute of Technology. He served as a Commissioner of the U.S. Nuclear Regulatory Commission (NRC) from April 23, 2010 until June 30, 2014.
From 1995 until 2010, he was a member and former Chairman (2001-2002) of the statutory Advisory Committee on Reactor Safeguards of the NRC. He is currently the Head of the Nuclear Risk Research Center in Japan. He is a member of the U.S. National Academy of Engineering and a Fellow of the American Nuclear Society and the Society for Risk Analysis. He has received the Tommy Thompson Award and the Arthur Holly Compton Award from the American Nuclear Society.
He is a Corresponding Member of the Academy of Athens. Dr. Apostolakis holds a Ph.D. in Engineering Science and Applied Mathematics (awarded in 1973) and a Master of Science degree in Engineering Science (1970) from the California Institute of Technology. He earned his undergraduate degree in Electrical Engineering from the National Technical University in Athens, Greece, in 1969.