As an Oyster Bay Roosevelt, and through his ancestor Cornelius Van Schaack Jr., he is a descendant of the Schuyler family.

[5][self-published source][6] His maternal grandparents were George Wheeler Babcock (1879—1950) and Anne Mason Bonnycastle Robinson (1886—1923).

Naval Reserve on June 16, 1965, and served as a U.S. Navy officer with Underwater Demolition Team 11 (BUD/S Class 36).

[4] Roosevelt is Chair of the Center for Climate and Energy Solutions,[10] a Trustee of the Alliance for Climate Protection, a member of the Governing Council of The Wilderness Society (United States), and a Trustee for the American Museum of Natural History, the World Resources Institute,[11] and The Cultural Institutions Retirement System.

[citation needed] Most recently, he spoke at the Conference of Parties Climate Summit in December 2009 in Copenhagen sponsored by the European Union Parliament.

[citation needed] On April 18, 2016, the day before the New York Republican primary, Roosevelt endorsed Ohio Governor John Kasich for president of the United States.