Dr. Daniel M. Gerstein

Under Secretary for Science & Technology (Acting)

U.S. Department of Homeland Security

Dr. Daniel M. Gerstein assumed the role of Under Secretary for Science & Technology (Acting) for the Department of Homeland Security on September 24, 2013.  He has been serving in S&T as Deputy Under Secretary since August 2011.  Dr. Gerstein is an expert on integrating research and development (R&D) planning with emerging and existing technologies to enhance capabilities for countering chemical, biological, explosive, and cyber terrorist threats.  He has extensive national and international experience with governance planning and disaster management.  Dr. Gerstein has also been responsible for the incorporation of systems analysis into S&T to ensure a corporate portfolio which responds to the needs of DHS Components and the Homeland Security Enterprise.  Within S&T, he has led several integration initiatives including the incorporation of S&T's laboratories into the overall R&D portfolio and technology foraging across the directorate.   Across DHS, Dr. Gerstein has spearheaded cross-departmental collaboration efforts in key areas such as R&D, portfolio management, big data, cyber security, and biodefense.       

Before joining DHS, Dr. Gerstein was a political appointee in the Office of the Secretary of Defense (Policy) serving as the Principal Director for Countering Weapons of Mass Destruction (WMD).  He started his career in the U.S. Army, serving on four continents while participating in homeland security and counterterrorism planning, peacekeeping, humanitarian assistance, and combat. He also served for more than a decade in the Pentagon in various high-level staff assignments.

Following retirement from active duty, Dr. Gerstein joined L-3 Communications as Vice President for Homeland Security Services. He also has extensive experience in international negotiations having served on the Holbrooke Delegation that negotiated the peace settlement in Bosnia. He has been awarded numerous foreign, military and civilian awards, including the Department of State’s Distinguished Service Award and the U.S. Army Soldiers Medal for heroism.

Dr. Gerstein has published numerous books and articles on national security, biological warfare, and information technology, including National Security and Arms Control in the Age of Biotechnology (Rowman & Littlefield, May 2013). He graduated from the United States Military Academy and has Masters degrees from Georgia Tech, the National Defense University and the Command & General Staff College, and a Ph.D. in Biodefense from George Mason University.  He is an Adjunct Professor at American University in Washington, D.C.



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