The native form of this personal name is Péterffy Tamás. This article uses Western name order when mentioning individuals.
Thomas Peterffy
Born
September 1944 (age 79)
Budapest, Hungary
Citizenship
United States
Occupation(s)
Founder and chairman of Interactive Brokers
Known for
Developing first electronic trading platform of securities
Spouse
Dale McDonald (divorced)
Children
3
Thomas Peterffy (born September 30, 1944)[1] is a Hungarian-born American billionaire businessman. He is the founder, chairman, and the largest shareholder of Interactive Brokers.[2][3] 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.[4]
^Burke, Monte (October 25, 2016). "The American Dream". Forbes. Archived from the original on December 13, 2019. Retrieved May 15, 2023 – via PressReader.
^Cite error: The named reference Shares was invoked but never defined (see the help page).
^"Interactive Brokers [IBKR] - 05/04/2007". Nasdaq.com. Archived from the original on November 1, 2012. Retrieved October 16, 2012.
^"Forbes Billionaires". Forbes. Retrieved March 5, 2024.
ThomasPeterffy (born September 30, 1944) is a Hungarian-born American billionaire businessman. He is the founder, chairman, and the largest shareholder...
group Interactive Brokers Group, Inc., which was founded by Chairman ThomasPeterffy, an early innovator in computer-assisted trading. The company is a...
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