Thomas DiNanno, Under Secretary of State for Arms Control and International Security
- Education – B.A., Middlebury College; M.S., Massachusetts Institute of Technology; M.A., University of Pennsylvania
- Military Service – None
- Profession – Government official
- Political Experience – Deputy Assistant Secretary of State, Assistant Administrator of the Federal Emergency Management Agency
- In office since – 2025
- Family – Undisclosed
- Religious Affiliation – Undisclosed
