Christopher Thomas Sununu (/səˈnuːnuː/; born November 5, 1974) is an American Republican politician, businessman, and engineer serving as the 82nd governor of New Hampshire since January 2017. Sununu was a member of the New Hampshire Executive Council from 2011 to 2017.
Sununu earned a bachelor’s degree in civil and environmental engineering from the Massachusetts Institute of Technology. He has served as chief executive officer of the Waterville Valley Resort in Waterville Valley, New Hampshire. Sununu is a son of former New Hampshire Governor and White House Chief of Staff John H. Sununu, and a younger brother of former U.S. Representative and Senator John E. Sununu.