Harold Hamm is an American entrepreneur and played a key role in the development of the technologies behind the United States recent renaissance in oil and natural gas production. Born in Lexington, Oklahoma, Hamm was the youngest of 13 children. With just a high-school education, Hamm started his own business at the age of 21. This grassroots startup, Continental Resources, soon became a NYSE-traded, Top 10 oil producer in the United States Lower 48.
Harold Hamm is 70 years old and a big supporter of Donald Trump. He might even be a little bit richer (fortune estimated at $11b)
Shale oil guy!