He is a major patron of the arts and had contributed to several charities, including Lincoln Center, Sloan Kettering, a fertility clinic at New York-Presbyterian Hospital and the American Museum of Natural History's David H. Koch Dinosaur Wing.
He is a major patron of the arts and a funder of conservative and libertarian political causes, including funding groups involved with the American Tea Party movement. Among other charities, he has contributed to Lincoln Center, Sloan Kettering, a fertility clinic at New York-Presbyterian Hospital and the American Museum of Natural History's David H. Koch Dinosaur Wing.