Which billionaire is known as the 'Oracle of Omaha'?

Which billionaire is known as the “Oracle of Omaha”? The answer is Warren Buffett.

The nickname refers to Buffett’s long association with Omaha, Nebraska, where he was born, lived, and built his investment career. It also reflects the reputation he earned for explaining markets and business decisions with unusual clarity, patience, and confidence. “Sage of Omaha” is another commonly used nickname.

Buffett formed Buffett Partnership Ltd. in 1956 and acquired control of the struggling textile company Berkshire Hathaway in 1965. He transformed it into a diversified holding company with major interests in insurance, railroads, utilities, manufacturing, retail, and publicly traded stocks.

Buffett is especially associated with value investing: seeking durable businesses at prices that appear lower than their underlying worth, then holding them for long periods. Charlie Munger was his longtime vice chairman and intellectual partner, but Munger was not the Oracle of Omaha. Buffett also stepped down as Berkshire Hathaway’s CEO at the start of 2026, with Greg Abel succeeding him; the nickname remains associated with Buffett’s investing legacy.