Dave Jonas


1751 Pinnacle Drive, 10th Floor Tysons, VA 22102

Dave Jonas, a Partner at Fluet, boasts a full-service legal practice by representing, advising, and counseling both mid-tier corporations and individuals on a variety of matters, including corporate transactions, employment law, government contracts, litigation, administrative law, international transactions and more. He also has extensive litigation and appellate experience and argued the landmark case of Davis v. United States before the United States Supreme Court.

Additionally, Mr. Jonas has significant experience in national security issues and is recognized as one of a handful of experts, worldwide, in nuclear nonproliferation law. He has completed over 25 appearances on television, radio, podcasts, and at various conferences and published approximately 30 articles on national security law and nuclear nonproliferation law and policy in law reviews and major journals. Mr. Jonas also served as a negotiator for the US – India Civil Nuclear Agreement, among many other international agreements, and on the Presidential Transition Teams for Defense and Energy and was nominated to be General Counsel of the Department of Energy.

He is also an accomplished senior executive attorney with diverse legal, government relations, strategic planning, and leadership experience. He served as general counsel of two federal agencies, to include the National Nuclear Security Administration, following his distinguished Marine Corps service that included becoming the first judge advocate in the history of the Army, Navy, Marine Corps, and Air Force to argue in front of the US Supreme Court. He received the U.S. Court of Appeals for the Armed Forces Award for Excellence in Legal Writing and was selected as the Outstanding Career Judge Advocate in the Marine Corps.

Mr. Jonas is an adjunct professor at Georgetown University Law Center and George Washington University Law School and taught at the U.S. Naval War College. He serves on the Board of Directors and as General Counsel of the Young Marines. He is also on the Boards of the American Bar Association Rule of Law Initiative, and the Center for Ethics and the Rule of Law at University of Pennsylvania Law School. He served for nearly a decade on the Board of the Naval War College Foundation.

Representative Matters

  • Briefed and argued the landmark case of Davis v. United States, 512 U.S. 452 (1994) at the U.S. Supreme Court.
  • Successfully represented several senior officials before the high-profile January 6th Committee on Capitol Hill, such that there were no adverse repercussions as a result of their testimony.
  • Completed source selections for multi-billion-dollar government contracts including Los Alamos National Laboratory, Sandia National Laboratory, Lawrence Livermore National Laboratory, and the Nevada National Security Site.
  • Conducted strategic planning for the Secretary of Energy and the Chairman, Joint Chiefs of Staff.
  • Advised senior officials such as the Chairman of the Joint Chiefs of Staff, the Secretary and Deputy Secretary of Energy, Administrator, National Nuclear Security Administration, Commanding General, 3d Marine Division, and others.


  • General Counsel, National Nuclear Security Administration
  • General Counsel, Defense Nuclear Facilities Safety Board
  • U.S. Marine Corps (served 20 years active duty)


  • LL.M., Georgetown Law Center, International and Comparative Law, With Distinction
  • LL.M., Military Law, The Judge Advocate General’s School, U.S. Army
  • M.A., Naval War College, National Security and Strategic Studies, Highest Distinction
  • J.D., Wake Forest University School of Law
  • B.A., Denison University, Political Science

Certifications + Licenses

  • Virginia Bar
  • District of Columbia Bar
  • Pennsylvania Bar
  • U.S. Supreme Court Bar
  • Court of Appeals for the Federal Circuit
  • Court of Federal Claims
  • Court of Appeals for the Armed Forces
  • Navy-Marine Corps of Criminal Appeals
  • Federal District Court, Eastern District of Virginia