Stock and commodity market managers

Warren Edward Buffett is an American investor and philanthropist who is the chairman and former CEO of the conglomerate Berkshire Hathaway. As a result of his success, Buffett is one of the best-known investors in the world. According to Forbes, as of January 2026, Buffett's estimated net worth stood at US$148.9 billion, making him the ninth-richest person in the world.

George Soros is a Hungarian-American investor and philanthropist. As of May 2025, he has a net worth of US$7.2 billion, having donated more than $32 billion to the Open Society Foundations, of which $15 billion has already been distributed, representing 64% of his original fortune. In 2020, Forbes called Soros the "most generous giver" in terms of percentage of net worth.

American fraudster and financier (1938–2021)

Peter Andreas Thiel is a German and American entrepreneur, venture capitalist, and conservative political activist. A co-founder of PayPal (1998), Palantir Technologies (2003), and Founders Fund (2005), he was also the first outside investor in Facebook (2004). According to The New York Times, as of December 2025, Thiel's estimated net worth stood at US$27.5 billion, placing him among the 100 richest individuals in the world.

American businessman (1924–2023)

American mathematician and hedge fund manager (1938–2024)

American billionaire hedge fund manager

American writer

American-born British stock investor, businessman and philanthropist

American businessman and motivational speaker

American investor, mutual fund manager

American commodities trader (1934–2013)

American businessman and investor

American entrepreneur, economist and author

American businessman

William Albert Ackman is an American billionaire hedge fund manager who is the founder and chief executive of Pershing Square Capital Management, an investment management company. He has been described as an activist investor. As of April 2026, Ackman's net worth was estimated at $8 billion by Bloomberg.

American businessman

American actor (1900-1977)

American investor

American family office manager

American billionaire hedge fund manager (born 1968)

Terrence Thomas Kevin O'Leary, self stylized as Mr. Wonderful, is a Canadian businessman, television personality and actor. From 2004 to 2014, he appeared on various Canadian television shows, including the business news program The Lang and O'Leary Exchange as well as reality show Dragons' Den. O'Leary hosted Discovery Channel's Project Earth in 2008 and has appeared on Shark Tank, the American version of Dragons' Den, since 2009. He made his feature film debut as Milton Rockwell in Josh Safdie's Marty Supreme (2025).

American stock trader (1937–2024)

American businessman

American educator and economist

American businessman

American hedge fund manager and philanthropist

American stockbroker, television personality, author

United States Representative from Nebraska (1903-1964)

American financier; Chairman, BP Capital Management (1928-2019)

American value investor and money manager

American hedge fund manager and investor

American investor and businessperson (1930–2022)

American writer (1857-1925)

U.S.-American money manager

American hedge fund manager

American commodities speculator

American businessman

American investment adviser & analyst

American billionaire

American money manager

American businessman

American businessman

American businessman (1905-1993)

American businessman

Family office manager and investor

American financier, newspaper publisher, antiquities collector, philanthropist

American statistician, businessman and squash player

American businessman (1942–2021)

American businessman

American businessman (1838-1913)

American businessman

Sri Lankan businessman

American money manager (1932–2012)

American investor (1916-2012)

American businessman, hedge fund manager and priest

American financier

American financier (1875-1962)

American horse trainer