David H. Koch
David Hamilton Koch (/ˈkoʊk/; born May 3, 1940) is an American businessman, philanthropist, political activist, and chemical engineer. He joined the family business Koch Industries, a conglomerate tha...
David H. Koch - Wikipedia
Political activities of the Koch family
The political activities of the Koch brothers include the financial and political influence of Charles G. and David H. Koch on United States politics. This influence is seen both directly and indirect...
Political activities of the Koch family - Wikipedia
Koch Family Foundations
The Koch family foundations are a group of nonprofit organizations in the United States associated with the family of Fred C. Koch. The most prominent of these are the Charles Koch Foundation and the...