Warren Buffett is an American.
Nebraska [ nᵻˈbræskə ] is a state that lies in both the Great Plains and the Midwestern United States . Omaha ( [ ˈoʊməhɑː ] ) is the largest city in the state of Nebraska and the county seat of Douglas County . Warren Buffett . Born in Omaha , Buffett developed an interest in business and investing in his youth , eventually entering the Wharton School of the University of Pennsylvania in 1947 before transferring and graduating from University of Nebraska -- Lincoln .