Dave Jonas



Dave Jonas, a partner at FH+H, focuses his practice on serving mid-tier corporations, C-suite executives, providing general counsel services to small companies, and individual clients through contract/agreement design, analysis, negotiation, and litigation.

Mr. Jonas represents, advises, and counsels these businesses and individuals on a variety of matters, including corporate transactions, the review of executive employment agreements, employment law (such as proposed terminations, administrative leave, whistleblower, EEO issues, and security clearance matters), government contracts, administrative law and more. Having argued before the United States Supreme Court, Mr. Jonas also has extensive litigation and appellate experience.

Additionally, Mr. Jonas has extensive experience in national security issues and is recognized as one of a handful of experts worldwide in nuclear nonproliferation law. He is widely published in this subject area and served as a negotiator for the US - India Civil Nuclear Agreement – among many other international agreements. He also served on the Presidential Transition Teams for Defense and Energy and was nominated to be General Counsel of the Department of Energy.

Mr. Jonas is 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

Representative Matters
  • Successfully represented several clients before the high-profile January 6th Committee on Capitol Hill, such that there were no further adverse repercussions as a result of their testimony.
  • Served as general counsel of two federal agencies and three non-profits.
  • Experience in 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.
  • Briefed and argued the landmark case of Davis v. United States, 512 U.S. 452 (1994) at the U.S. Supreme Court.
  • Internationally recognized expert in the national security area of nuclear nonproliferation law and policy. Frequent speaker and widely published in this area.
  • Negotiator of the U.S. - India Civil Nuclear Agreement.
  • Conducted strategic planning for the Secretary of Energy and the Chairman, Joint Chiefs of Staff.
  • Success representing clients in trust litigation matters.
  • 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.
  • Represented clients in over a dozen contested jury trials and over 150 trials before a judge.
  • Participated in representation of hundreds of clients in appellate defense litigation.
  • Represented clients in over 200 administrative proceedings.
  • Drafted legislation at the request of clients or Congressional staff.
  • Extensive litigation and litigation management experience.


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

Education, Certifications + Licenses

  • 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 Federal Claims
  • Court of Appeals for the Armed Forces
  • Navy-Marine Corps of Criminal Appeals
  • Federal District Court, Eastern District of Virginia

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