Ms. Heidi Shyu is the Under Secretary of Defense for Research and Engineering (OUSD(R&E)). In this role, she serves as the Chief Technology Officer for the Department of Defense (DoD), mandated with ensuring the technological superiority of the U.S. military, and is responsible for the research, development, and prototyping activities across the DoD enterprise. She also oversees the activities of the Defense Advanced Research Projects Agency (DARPA), the Missile Defense Agency (MDA), the Defense Innovation Unit (DIU), the DoD Laboratory and Engineering Center enterprise, and the Under Secretariat staff focused on developing advanced technology and capability for the U.S. military.

Additionally, Ms. Shyu serves as DOD’s chief technology officer (CTO), tasked with the mission of ensuring continuous advancement of technology and innovation throughout DOD. As CTO, she advises the Secretary of Defense on all matters related to research; engineering; manufacturing; developmental test and evaluation; and technology development, innovation, and protection activities and programs within DOD and internationally.

Ms. Shyu establishes priorities across these matters to ensure conformance with Office of the Secretary of Defense’s policies and guidance. Furthermore, she has oversight lead for critical capabilities managed by defense agencies and field activities, including the Defense Advanced Research Projects Agency (DARPA), Missile Defense Agency (MDA), Defense Innovation Unit (DIU), and Space Development Agency (SDA) as well as the Defense Science and Innovation Board offices.

Ronald S. Moultrie was sworn in as undersecretary of defense for intelligence and security (USD(I&S)) on June 1, 2021. In this role, he is the principal advisor to the Secretary of Defense on intelligence, counterintelligence, and security matters. Mr. Moultrie exercises authority, direction, and control on behalf of the Secretary of Defense over all intelligence and security organizations within the Department of Defense (DoD). He is also dual-hatted as the director of defense intelligence in the Office of the Director of National Intelligence (ODNI) and reports to the DNI in this capacity.

Mr. Moultrie’s 36+ year career includes serving in senior leadership positions throughout DoD and the National Intelligence Community (NIC). He retired from DoD in 2015 as NSA’s director of operations. More recently, he was a senior advisor to the Secretary of the Navy, playing an instrumental role in the Department of the Navy Comprehensive Cybersecurity Review.

Mr. Moultrie holds a master of science in strategic intelligence from the National Intelligence University, a bachelor of arts in business management from the University of Maryland, and a Russian language degree from the Defense Language Institute at Monterey. He completed senior executive studies at Harvard University’s Kennedy School of Government.

Ms. Milancy Harris is deputy undersecretary of defense for intelligence and security (DUSD(I&S)), reporting to the principal intelligence, counterintelligence and security advisor for the Secretary of Defense. Ms. Harris was sworn in on January 3, 2023.

Prior to this appointment, Ms. Harris served as the deputy assistant secretary of defense for irregular warfare and counterterrorism from February 2021 until December 2022, where she developed policy guidance and oversaw the implementation of all policies, strategies, and plans related to the employment of special operations forces.

Previous roles include chief of staff of the Directorate of Intelligence at the National Counterterrorism Center (NCTC), director for counterterrorism on the National Security Council staff, and deputy director, Emerging Issues Division at the Office of the Director of National Intelligence. Ms. Harris began her career as an intelligence analyst and held positions at NCTC and the Defense Intelligence Agency.

Originally from Wisconsin, Ms. Harris earned bachelor of arts degrees in international affairs and English literature from Marquette University and possesses a master of arts degree in political management and a graduate certificate in international security studies from George Washington University.