Warren Buffett is an American.
Nebraska [ nᵻˈbræskə ] is a state that lies in both the Great Plains and the Midwestern United States . It is the only state in the United States whose legislature is unicameral and officially nonpartisan . Omaha ( [ ˈoʊməhɑː ] ) is the largest city in the state of Nebraska and the county seat of Douglas County . Warren Edward Buffett ( [ ˈbʌfᵻt ] born August 30 , 1930 ) is an American business magnate , investor , and philanthropist .