An official website of the United States Government 
Here's how you know

Official websites use .gov

.gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Matthew R. Williams

Deputy Assistant Secretary of Defense for Legislative Affairs (Senate Affairs)


Mr. Williams was appointed Deputy Assistant Secretary of Defense for Senate Affairs on January 20th, 2021. Prior to appointment, he served as National Security Adviser to U.S. Senator Kamala D. Harris (D-CA) and U.S. Senator Bill Nelson (D-FL). He was previously an intelligence analyst and watch officer in the Department of Defense. He holds a Master of Arts in International Relations and Economics from the Johns Hopkins University School of Advanced International Studies (SAIS), and a Bachelor of Arts in Political Science from the University of Florida. He was named to the 2020 LGBTQIA+ Leadership List by Out in National Security and New America.