John Howard "Jack" Gibbons was an American scientist, nuclear physicist, and internationally recognized expert in technologies for energy efficiency and energy resource conservation. He served as the assistant to the president for science and technology and director of the White House Office of Science and Technology Policy under President Bill Clinton from 1993 to 1998.

The Office of Science and Technology Policy (OSTP) is a department of the United States government, part of the Executive Office of the President (EOP), established by United States Congress on May 11, 1976, with a broad mandate to advise the President on the effects of science and technology on domestic and international affairs.