There are four Koch brothers 1. Frederick Robinson Koch, best known for his collections of manuscripts and artwork and his philanthropy 2. Charles de Ganahi Koch, CEO and co-owner of Koch Industries 3. read more
David Hamilton Koch, Executive Vice President and co-owner of Koch Industries William Ingraham Koch, an investor, largely in the oil sector. However, when most people refer to "the Koch brothers," they're referring to Charles and David, who each own 42% of Koch Industries, having bought out their brothers in 1983. read more
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 indirectly via various political and public policy organizations supported by the Koch brothers. read more
Charles and David Koch prevailed in the feud — which pitted them against Bill, who is David's twin, and the oldest Koch brother, Frederick, 81 — and left Charles and David with ownership of what would become one of the country's biggest industrial empires. read more