American businessman and political activist known for being the executive vice president of Koch Industries.
He played basketball at MIT, where he averaged 21 points per game.
He gave The New York State Theater at Lincoln Center a one hundred million dollar donation, which resulted in the theater being re-named the David H. Koch Theater.
He married Julia Margaret Flesher in 1996 and he and Julia have two sons, John and David Jr., and a daughter, Mary. He and his brother
He was quoted in the Brian Doherty book Radicals for Capitalism.