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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
| Air |
Dr. Benjamin Griffin
Program Manager, Microsystems Technology Office
Dr. Benjamin Griffin joined DARPA in October 2018 as a program manager in the Microsystems Technology Office (MTO). His research interests include materials and devices that enable operation in harsh environments, near-zero power sensors and wireless nodes, RF resonators, acoustics, sensors and electronics for aerospace applications, and ultrasound. More
Dr. Timothy Hancock
Program Manager, Microsystems Technology Office
Dr. Timothy M. Hancock joined DARPA as a program manager in September 2016. His research interests revolve around RF microsystem development that spans semiconductor device processing, circuit design and system integration for communication, radar, and electromagnetic spectrum- sensing applications. More
Program Manager, Information Innovation Office
Mr. Logan Harr joined DARPA as a program manager in October 2017. His research interests include cyberspace operations. More
| Cyber | Systems |
Security, Information Innovation Office
Mrs. Denice Holden is the Program Security Officer for the Information Innovation Office (I2O). She is responsible for ensuring that all I2O information, data and materials requiring safeguarding in the interest of national security are protected as prescribed. More
Dr. Douglas “Scott” Holmes
Program Manager, Microsystems Technology Office
Dr. Douglas “Scott” Holmes joined DARPA in February 2019 as a program manager in the Microsystems Technology Office (MTO). His areas of interest include superconductor electronics and novel computing technologies. More