Nathan Diller is a Professional Staff Member for the United States House of Representatives  Appropriations Committee, Subcommittee on Defense. He is responsible for the Defense Wide Procurement, Research, Development, Test and Evaluation budgets as well as integration  across the services, with a focus on national security innovation. He is also responsible for the  final integration of the House Appropriations Bill. 

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After 22 years of service in the United States Air Force, Nathan retired as a Colonel. In his last  USAF assignment, he was the Director of AFWERX, where he led the strategy and execution of  a $1 billion per year budget across the Air Force and Space Force. In that role he was the Chief  Commercialization Officer for the Department of the Air Force and managed the AFVentures,  Spark, Prime, SpaceWERX, Small Business Innovation Research, and Small Business  Technology Transfer programs. Prior to that, he was the Assistant Director of Aeronautics at the  White House Office of Science and Technology Policy. He also served as the Air Force Advisor  to the Office of the Secretary of Defense Strategic Capabilities Office and USAF Rapid  Capabilities Office. On the Joint Staff J8, he led requirements as the Chief of the Air and Space  Branch. Upon completing a program management tour at the Space and Missile Center, he  commanded the 586th Flight Test Squadron, supervising classified flight test for joint,  interagency, and international clients. He was an Executive Officer to the Air Force Scientific  Advisory Board and a DARPA Service Chiefs Fellow. Nathan was selected for the French Test  Pilot school with a first test tour at Edwards AFB, supporting B-1, B-2, F-16, F-22 and F-35  flight test and instructing at the USAF Test Pilot School. He flew F-16s for two Combat Air  Force assignments, becoming an instructor pilot. His first flying assignment was at Euro-NATO  Joint Jet Pilot Training after being commissioned from the U.S. Air Force Academy. 

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Nathan grew up on a farm in Texas and went on to graduate from the USAF Academy with a  Bachelor of Science in physics and humanities. He has graduate degrees from Harvard, MIT,  National Defense University, and France’s ISAE-SUPAERO in engineering, policy, and  strategy. He was a member of the Air Force Acquisition Corps as Level III certified Program  Manager and Test professional. In civil and military roles, he has over 2,900 hours across more  than 60 aircraft and is an FAA Certified Flight Instructor and Airline Transport Pilot.