The U.S. Nuclear Regulatory Commission has selected Martin J. Virgilio to replace Dr. Bruce S. Mallett, who will retire in June after 30 years of public service, as Deputy Executive Director for Reactor and Preparedness Programs and Michael F. Weber who will replace Virgilio as the Deputy Executive Director for Materials, Waste, Research, State, Tribal, and Compliance Programs.

"I want to thank Dr. Mallett for his many years of dedicated service to supporting the mission of the NRC," said Chairman Gregory B. Jaczko. "We will miss Bruce's leadership, his expertise and insight. In light of his decision to retire, we are very fortunate to have strong, talented individuals like Martin Virgilio and Michael Weber to move into these senior management positions at our agency."

Virgilio joined the NRC in 1977 and held progressively more responsible positions in the Office of Nuclear Reactor Regulation (NRR), including project director; chief, Inspection and Licensing Policy Branch; assistant director in the Division of Reactor Projects; and deputy director, Division of Systems Safety and Analysis. From 1997 to 1998, he served as executive assistant and director, Office of the Chairman under former Chairman Shirley Ann Jackson. From 1998 to 2001, he served as deputy director, Office of Nuclear Material Safety and Safeguards (NMSS), and in 2001 was appointed director. In 2004 Virgilio was appointed to his current position of deputy Executive Director for Materials, Waste, Research, State, Tribal, and Compliance Programs, OEDO. He received a bachelor's degree from the United States Merchant Marine Academy and has completed post-graduate work in nuclear engineering at Catholic University.

Weber joined the NRC in 1982 and held progressively more responsible positions in the Office of Nuclear Material Safety and Safeguards (NMSS), including, chief of the Low-Level Waste and Decommissioning Projects Branch; chief of the Licensing Branch; deputy director, Division of Waste Management; deputy director, Division of Fuel Cycle Safety and Safeguards; and director of the Division of Fuel Cycle Safety and Safeguards. In 2002, he was appointed deputy director, Office of Nuclear Security and Incident Response, and in 2006, was appointed deputy director, Office of Nuclear Reactor Regulation. In 2007, Weber was appointed to his current position as director of NMSS. He has also served as a technical assistant to former Chairman Kenneth Carr and as executive assistant to former Chairman Jackson. Weber received a bachelor's degree in geosciences from the Pennsylvania State University and is a graduate of the Senior Executive Service Candidate Development Program. Virgilio and Weber will transition to their new positions in mid-May.