Former Board Members

Board Member Photo

Dr. Peter S. Winokur, Former Board Member

Dr. Peter S. Winokur of Maryland was appointed a Member of the Defense Nuclear Facilities Safety Board on October 23, 2006. He was appointed by President Obama as the Board’s third Chairman on March 19, 2010, and continued to serve as Chairman until his retirement on January 3, 2015. Dr. Winokur has more than 40 years of experience as a scientist and engineer in the field of radiation effects science, technology, and hardness assurance in support of military and space systems.

Retired Board Member Photo

Dr. A. J. Eggenberger, Former Board Member

An expert in nuclear safety and earthquake engineering, A. J. Eggenberger was appointed in August 1989 to be Vice Chairman of the newly established Defense Nuclear Facilities Safety Board and Chairman in July, 2005. At the Defense Nuclear Facilities Safety Board he was directly involved in all aspects of the safety oversight of the Department of Energy's nuclear facilities. This includes design, operational, decommissioning, and construction nuclear safety. He retired from the Board in July, 2009.

John T. Conway Photo

Mr. John T. Conway, Former Board Member

John T. Conway, an engineer and attorney, is a former Chairman of the Defense Nuclear Facilities Safety Board. His nuclear experience includes 12 years on the staff of the Joint Committee on Atomic Energy, U.S. Congress (six years as Staff Director), 11 years as president/ Chairman of the Board of the American Nuclear Energy Council, and eight years as Chairman of the Con Edison Indian Point Nuclear Facilities Safety Committee.

Board Member Photo

Dr. Kenneth L. Mossman, Former Board Member

Dr. Kenneth L. Mossman of Scottsdale, Arizona was confirmed by Congress on November 14, 2013, for a term expiring October 18, 2016. He joined the Board after a 40 year career in higher education as a faculty member at both Georgetown University and Arizona State University. Throughout his career, Dr. Mossman received numerous awards and served on a number of national and international advisory groups. Dr. Mossman passed away in January, 2014, shortly after joining the Board.

Retired Board Member Photo

Dr. R. Bruce Matthews, Former Board Member

Dr. Matthews has more than thirty years of scientific and engineering experience in nuclear technologies with a primary focus on special nuclear materials, weapons plutonium, and nuclear reactor fuels. In addition, Dr. Matthews has managed nuclear facilities including operations, construction, regulatory compliance, integrated safety management, and safeguards and security. He served as a Board member from April, 2003 to October, 2005.

Board Member Photo

Mr. Joseph F. Bader , Former Board Member

Mr. Joseph F. Bader, of the District of Columbia, was appointed a Member of the Defense Nuclear Facilities Safety Board on November 30, 2004 and was re-nominated by the President and confirmed on March 19, 2010.  Mr. Bader has held executive and senior management positions primarily in the nuclear weapons complex and nuclear power sectors for Hill International, Inc., Fluor Daniel, Inc., Urenco, Inc., Exxon Nuclear and Westinghouse Electric Corporation.

Retired Board Member Photo

Mr. Joseph J. DiNunno, Former Board Member

Joseph J. DiNunno was nominated to the Defense Nuclear Facilities Safety Board in 1992. Following confirmation by the United States Senate, DiNunno assumed his official duties on August 13, 1992 and served until his retirement in May 2002.  

Board Member Photo

Dr. John E. Mansfield, Former Board Member

Dr. Mansfield is an accomplished theoretical physicist with an exceptionally broad range of experience, both within and outside government, in the management of technology support to national defense programs. From the base of his academic work in elementary particle theory, philosophy, and classical languages, Dr. Mansfield has expanded his interests and contributions to a wide variety of areas of physics, engineering, operations analysis, and political-military studies in support of the national defense and civil space programs.

Retired Board Member Photo

Dr. Herbert J.C. Kouts, Former Board Member

Dr. Kouts was nominated to be one of the charter Members of the Defense Nuclear Facilities Safety Board and was sworn into office in October 1989. He retired in January 2000 after more than 50 years of service to the United States Government.

John W. Crawford, Jr.

Mr. John W. Crawford, Jr, Former Board Member

Captain Jack Crawford served as a member of the Board from1989 - 1996. Prior to being sworn in on the Board, he was an Independent Technical Consultant under the Trust Agreement for the cleanup of the Three Mile Island nuclear power plant.

Edson G. Case

Mr. Edson G. Case, Former Board Member

Edson G. Case was twice confirmed as a Member of the Defense Nuclear Facilities Safety Board. Mr. Case was a 43-year veteran of Federal service, and can rightly be called one of the pioneers of nuclear reactor safety. He graduated from the United States Naval Academy in 1946, earned an M.S. from MIT in 1952, and spent the next eleven years as a Naval Officer, including work in the Naval Nuclear Propulsion program under Admiral Hyman Rickover.

Board Member Photo

Mr. Larry W. Brown, Former Board Member

Larry W. Brown was confirmed by the U.S. Senate in September 2006 to be a member of the Defense Nuclear Facilities Safety Board. Prior to 2001, Mr. Brown served on active duty in the United States Navy, and on retirement in 1996 completed a law degree. He began his military service as a Seaman Recruit and retired as a United States Navy Captain after having served from 1963 to 1996 onboard ten ships, including nuclear submarines, destroyers, frigates, supply ships, and a nuclear aircraft carrier. He retired from the Board in February, 2011.