What nationality are the Koch brothers? Charles and David Koch, in full Charles de Ganahl Koch and David Hamilton Koch, also called Koch brothers, (respectively, born November 1, 1935, Wichita, Kansas, U.S.; born May 3, 1940, Wichita), American brothers who were majority co-owners of the energy conglomerate Koch Industries, Inc., and major financial
What companies are owned by the Koch brothers? 7 Companies Owned by the Koch BrothersThe Koch brothers, Charles and David, have become well-known for their libe... more