Theodore Roosevelt V (born November 27, 1942), commonly known as Theodore Roosevelt IV, is an American investment banker and managing director at Barclays Investment Bank. He is a member of the Council on Foreign Relations, the Economic Club of New York, and the Foreign Policy Association, and serves on the Advisory Council of Represent.Us, a nonpartisan anti-corruption organization. Roosevelt is also a prominent conservationist. His name suffix varies since President Roosevelt's father was Theodore Roosevelt Sr., though the same-named son did not commonly use a "Jr" name suffix.