The Koch Family
An industrial and political dynasty built on oil refining. Two of Fred Koch's four sons turned a mid-size engineering firm into one of the largest private companies in the world while reshaping American politics through massive donor networks.

Industrialist, Engineer · b. 1900–1967
Chemical engineer who developed an improved thermal cracking process for oil refining and co-founded what became Koch Industries, one of the largest private companies in America.
Notable Works
- Wood River Oil & Refining (co-founder)
- Koch Industries (predecessor)
- John Birch Society (co-founder)

Business Executive, Political Donor · b. 1935
Fred's son, he grew Koch Industries into a $125 billion conglomerate and became one of the most influential conservative political donors in…
Notable Works
- Koch Industries (chairman & CEO)
- Americans for Prosperity (co-founder)
- Stand Together

Business Executive, Philanthropist · b. 1940–2019
Fred's son, he served as executive vice president of Koch Industries and was a major philanthropist for arts, cancer research, and libertari…
Notable Works
- Koch Industries (EVP)
- David H. Koch Theater (Lincoln Center)
- MIT David H. Koch Institute