David Huizenga serves as NNSA's Principal Assistant Deputy Administrator for Defense Nuclear Nonproliferation (DNN). He is a recognized expert in nonproliferation and nuclear waste management issues, with over two decades of leadership, management, and technical experience in a wide variety of programs across the Department of Energy. DNN looks to reduce global nuclear dangers by advancing capabilities to prevent nuclear and radiological proliferation and terrorism threats worldwide by working closely with its domestic and international partners, the U.S. National Laboratories and other Federal agencies.
Prior to his current assignment, Huizenga served as the Acting Assistant Secretary for the Office of Environmental Management (EM). In this capacity, he was responsible for the management and oversight of the world’s largest environmental remediation program. As Assistant Secretary for EM, Huizenga worked closely with state and local governments and stakeholders to drive effective assistance cleanup activities at the 17 EM cleanup sites across the nation. Under Huizenga’s leadership, the office commenced a major re-planning initiative to update the EM baseline and prioritize cleanup activities.