Originating from Hungary, Thomas Peterffy is an American entrepreneur with an estimated net worth of $16.3 billion in July 2019. He is the current head and founder of Interactive Brokers. He also plays a role in the founding of Boston Options Exchange.

Born in Budapest Hungary, Peterffy moved to the U.S. to escape communism in his country. In the U.S., incapable of speaking in English at first, he worked as an architectural draftsman for an engineering firm that worked on highway projects.

Later on, he left his career as a designer of financial modeling software, to purchase a seat on the American Stock Exchange. Eventually, he developed Interactive Brokers. Interactive Brokers Group, Inc. (IB) is actually a discount brokerage firm in the U.S. that operates online.

In September 2012, Thomas Petterfy's net worth is estimated to be around $4.6 billion. This made him the third richest person in Connecticut and 77th wealthiest person in the U.S.

Born in 1944, Thomas Petterfy is currently divorced. He has three children.