Mr. Jeffrey D. Singleton is the Deputy Assistant Secretary of Defense for Science and Technology Futures in office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)).  He serves as champion for the DoD S&T Enterprise to maintain awareness and oversight of research and development throughout the department in areas including weapons technologies, nuclear delivery systems, position / navigation / timing (PNT), human sciences, aerospace technologies and propulsion, power and thermal management, manned and unmanned platforms, and countering unmanned systems across the domains of Air, Land, Sea and Space.  Additionally, he oversees two major efforts for the department - the Technology Innovation Industrial Base and Emerging Technology, which has oversight of four critical technology area Principal Directors and their portfolios - Advanced Materials, Biotechnology, Quantum Science, and FutureG.  Mr. Singleton also represents the broader U.S. research and technology enterprise as the United States Principal Member and Head of Delegation on the NATO Science and Technology Board and on the NATO Defense Innovation Accelerator for the North Atlantic (DIANA) Board of Directors.

Mr. Singleton was selected for the Senior Executive Service in January 2017 where he served as the Director for Technology in the Office of the Assistant Secretary of the Army for Acquisition, Logistics and Technology (ASA(ALT)) through July 2024.  He began his career as a research engineer with the Department of the Army specializing in the field of analytical and experimental rotorcraft aeroelasticity, aeromechanics, dynamics, and structural mechanics.  His extensive background in science and technology investigation and oversight spans more than three decades of fundamental research, advanced technology development and acquisition. 

Mr. Singleton earned his Bachelor of Science degree in Aerospace Engineering from West Virginia University where he graduated magna cum laude in 1984, and a Master of Science in Aerospace Engineering from the Georgia Institute of Technology in 1988, specializing in rotorcraft aeroelasticity.

Mr. Singleton is a recipient of the American Helicopter Society International Howard Hughes Award as Lead Engineer for the Army/NASA/Bell Quad Tiltrotor Aeroelastic Test Team given in recognition of an outstanding improvement in fundamental helicopter technology, the Department of the Army Superior Civilian Service Award, and the Army Research Laboratory Honorary Award for Leadership.  Mr. Singleton has authored more than 80 invited presentations, scientific conference publications and journal articles.