Net Worth:
$60.3 Billion
Born: Wichita
AGE: 77
United States
$48.4 B: Net Worth in 2017
$39.7 B: Net Worth in 2016
$42.9 B: Net Worth in 2015


  • The Kochs are the oil and gas industry’s biggest donors to the congressional committee with oversight of the hazardous Keystone XL oil pipeline.
  • David Koch was born on May 3, 1940 to Mary and Fred Chase Koch.
  • David attended the Deerfield Academy prep school in Massachusetts, graduating in 1959. Then he went to the Massachusetts Institute of Technology (MIT) from where he earned his Bachelor’s degree in chemical engineering in 1962. He completed his Master’s degree a year later. As a college student he was also an active sportsman, a skilled player of basketball.
  • After completing his education he embarked on an engineering career and worked as a research and process design engineer at several consulting firms over the next few years.
  • David Koch joined the family business, Koch Industries, in 1970.
  • Eventually David went on to found the company’s New York office and by 1979 had become the president of his own division, Koch Engineering which was later renamed Chemical Technology Group.
  • He developed an interest in politics and became the Libertarian Vice-Presidential candidate in the U.S. presidential election in 1980, sharing the party ticket with presidential candidate Ed Clark.
  • In 1984, David Koch along with his brother Charles, established Citizens for a Sound Economy (CSE), a conservative political group operating in the United States.
  • David Koch was diagnosed with prostate cancer in 1992 and underwent surgery, radiation and hormone therapy. Yet the cancer recurred numerous times. His personal experiences as a cancer patient motivated him to fund medical research.
  • He is married to Julia M. Flesher Koch and has three children.