10 Richest People in the U.S.

David Koch

David Koch works with his brother, Charles Koch, and is the Vice President of Koch Industries. He is known to be the sixth richest man in the United States. He has a net worth of $41.8 billion.

He is known in the company as being a great salesman, and has produced things like pipelines, refineries, building materials, as well as the Dixie Cup, paper towels, and more. He is also known as a political activist and a chemical engineer. He joined Koch Industries in 1970, and is still there today.

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