Dr. Arthur T. Hopkins is the Principal Deputy Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs. As the Principal Deputy, Dr. Hopkins advises the Assistant Secretary in all matters across the Nuclear, Chemical, and Biological Defense Programs portfolio, including nuclear matters, chemical and biological defense programs, chemical demilitarization, cooperative threat reduction, arms control, and countering weapons of mass destruction.
Dr. Hopkins holds Bachelor and Master of Science degrees in Engineering, Aerospace and
Atmospheric Sciences, and Master of Science and Doctoral degrees in Nuclear Engineering.
Prior to his current appointment, Dr. Hopkins served as the Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control, where he was the DoD Treaty Manager for implementation and compliance with international nuclear, chemical and biological treaties and agreements, and advisor to the Assistant Secretary for NCB on planning, acquisition, and execution of programs for countering weapons of mass destruction (WMD) issues.