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Program Manager, Strategic Technology Office
Dr. Jim Galambos joined DARPA in January 2015 as program manager in the Strategic Technology Office. He has a background in unmanned systems, undersea power/energy and weapon systems. His research interests include expanding combat capability through combining manned and unmanned systems. Relevant technologies include autonomy, undersea communications, unmanned vehicles, maritime power and energy systems, heterogeneous networking and the modeling and simulation of such systems. More
Program Manager, Biological Technologies Office
Dr. Justin Gallivan joined the Defense Advanced Research Projects Agency in January 2014. He is interested in many facets of synthetic biology, including engineering microbial communities to produce small molecules or to prevent disease, and reprogramming multicellular organisms to perform complex tasks. More
Program Manager, Defense Sciences Office
Dr. Jim Gimlett joined the Defense Sciences Office as a Program Manager in 2013. His current research interests include novel metrology for positioning, navigation and timing leveraging advances in quantum optics, nanoscale microelectromechanical systems, and atomic and nuclear physics, and new monitoring, modeling and modulation methodologies applied to immunology. More
Program Manager, Strategic Technology Office
Dr. John Gorman joined DARPA in May 2013 as a Program Manager for the Strategic Technology Office. His interests include statistical estimation and learning, advanced radar systems, and distributed sensing. More
Dr. Tim Grayson
Office Director, Strategic Technology Office
Dr. Timothy Grayson is the director of the Strategic Technology Office (STO) at DARPA. In this role, he leads the office in development of breakthrough technologies to enable warfighters to field, operate, and adapt distributed, joint, multi-domain combat capabilities at continuous speed. These technologies include sensing, communications, and electronic warfare technology and the supporting tools and decision aids needed to compose, integrate, and operate complex combat architectures. More
Program Security Officer, Tactical Technology Office
Mr. Daniel Greenbaum joined DARPA in June 2013. He provides dedicated security support to the Tactical Technology Office by serving as the advisor to the TTO office director and deputy on the establishment, management, conduct and effectiveness of TTO security programs. More
Program Manager, Tactical Technology Office
Maj. Nathan Greiner joined DARPA in July 2018 as a program manager in the Tactical Technology Office. His research interests include hypersonics, turbomachinery, air-to-ground weapons, and air operations in contested environments. More
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Program Manager, Strategic Technology Office
Mr. Stephen Griggs joined STO as a program manager in August 2016. Prior to his arrival at DARPA, he was vice president and senior program manager for Puritan Research Corporation. This is his second tour as a DARPA program manager, having served from 2002 to 2007 as a program manager in STO. His interests lie in the areas of military imaging and surveillance technologies including electro-optics, LIDAR/RADAR, communications, networks, and sensors. He has designed, built and fielded military radars and both optical and RF communication systems. He is an expert in optical sniper systems and tactical ballistics. More