Thomas Peterffy is a Hungarian-born American entrepreneur. He is the founder, chairman, and CEO of Interactive Brokers Group, Inc. and played a key role in founding the Boston Options Exchange. Peterffy worked as an architectural draftsman after immigrating to the United States and later became a computer programmer. In 1977, Peterffy purchased a seat on the American Stock Exchange and played an important role in developing the electronic trading of securities. He is the largest shareholder of his company, Interactive...
(wikipedia)