Jeff Yass Biography

 As of my last update in September 2021, Jeff Yass is an American entrepreneur, trader, and investor. He is widely known as one of the co-founders and managing partners of Susquehanna International Group (SIG), one of the world's largest proprietary trading firms. However, please note that there might be updates or events related to Jeff Yass's life and career that have occurred after my last update.

Jeff Yass was born on August 12, 1956, in New York City, USA. He attended Binghamton University, where he studied mathematics. After completing his education, Yass and a group of classmates founded SIG in 1987. The firm initially focused on options trading and quickly became successful due to their innovative trading strategies and quantitative approach to trading.

Under Jeff Yass's leadership, Susquehanna International Group expanded its operations into various financial markets and established a significant presence in the trading world. The firm is known for its expertise in options, equities, ETFs, and other financial instruments.

Jeff Yass is known for being a private individual and has kept much of his personal life away from the public eye. He tends to shy away from media attention and seldom gives interviews. As a result, there might be limited publicly available information about his personal life and activities.

Please note that biographical information might change over time, and I recommend checking more recent sources for the latest updates on Jeff Yass's life and career.