Christopher Thomas Sununu ( sə-NOO-noo; born November 5, 1974) is an American politician and engineer who has served since 2017 as the 82nd governor of New Hampshire. A Republican, Sununu is the son of former New Hampshire governor and White House Chief of Staff John H. Sununu and the younger brother of former U.S. representative and senator John E. Sununu. He earned a... Wikipedia