Born in Wichita, Kansas on May 3, 1940. American businessman, philanthropist, political activist, and chemical engineer, David Hamilton Koch has an estimated net worth of $48.4 billion. With his brothers, Bill and Charles Koch, they are the second richest family in America. Koch, who is the third of four sons, attended the Deerfield Academy prep school in Massachusetts, graduating in 1959. Then, he went on to the Massachusetts Institute of Technology (MIT), earning both bachelor’s (1962) and master’s degree (1963) in chemical engineering. In 1970, he joined Koch Industries, a company founded by his father Fred C. Koch. He worked under his brother Charles, as a technical-services manager. He created the company’s New York office and became the president of his own division in 1979.
Politcal Career – Koch was the Libertarian Party’s vice-presidential candidate in the 1980 presidential election, sharing the party ticket with presidential candidate Ed Clark. In 1984, Koch founded and worked as Chairman of the board of directors of, and donated to the Free-Market Citizens for a Sound Economy (CSE), which was separated into the Americans for Prosperity Foundation and FreedomWorks in 2004. In addition, Koch, the sixth-wealthiest person in the world, has also been listed as one of the world’s top 50 philanthropists by the Chronicle of Philanthropy since 2006, and has 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. The Koch brothers are one of Republican Party’s super-donors. He married Julia M. Flesher and the couple has three children.