Gregorio Kilili Camacho Sablan served as the first Delegate to the U.S. House of Representatives for the Northern Mariana Islands. Throughout his time in Congress, he was assigned to several committees, including the Committee on Natural Resources, the Committee on Education and Labor (later renamed the Education and the Workforce Committee), the Agriculture Committee, and the Veterans' Affairs Committee. He also served as Vice Chair for Insular Affairs on the House Committee on Natural Resources.