Jeff Yass was born to middle class Jewish family in Bronx New York in 1958. His father was an accountant. In 1979, he graduated from State University of New York at Binghamton with a degree in mathematics and economics. Then he went to Las Vegas in 1980 and was a professional trader for one years. In 1981, he returned to New York and bought a seat in New York Stock Exchange with $30K help from his father. In 1987, he co-founded Susquehanna International Group (SIG) with 5 other partners. By 2021, SIG dominates in 2 areas: first in ETF or Exchange Traded Fund and second in stock options. He is only 63 year old and has a net worth of $12 Billions. His company SIG is headquartered in Bala Cynwyd Philadelphia, employs about 2000 all over the world. He is a secretive trader and a registered libertarian. His passion is voucher school, which he hopes, can improve education. His 2 Secrets of Success: first, training younger traders via Poker Game on probability distribution of the market. Second, know who the sucker is, a sucker is one who is dumber or less experienced.

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