John D. Sawyer

Acting Director, Contracting and National Security Acquisitions

Areas of Expertise:

  • Missile Defense Agency
  • Department of Defense acquisitions

John Sawyer is a Director in GAO’s Contracting and National Security Acquisitions (CNSA) team. He oversees GAO’s work monitoring the Missile Defense Agency’s multi-billion dollar effort to defend the United States and its allies from ballistic missile attacks.

John joined GAO in June 1989. During his tenure, he has led reviews of financial management at the Department of Defense, the Department of Homeland Security, and the Internal Revenue Service.

John earned a bachelor’s degree in accounting from Elizabeth City State University.

John can be reached by email at or by phone at 202-512-4841.