PERSON: Thomas Peterffy

Interactive Brokers

CEO

Thomas Peterffy (born September 30, 1944) is a Hungarian-born American billionaire businessman. He is the founder, chairman, and the largest shareholder of Interactive Brokers. Peterffy worked as an architectural draftsman after emigrating to the United States, and later became a computer programmer. In 1977, he purchased a seat on the American Stock Exchange and played a role in developing the first electronic trading platform for securities. As of March 2024, Forbes estimated his net worth at US$34.4 billion, making him the 46th richest man in the world.

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