Jeffrey Yass is an American options trader, and a co-founder and managing director of the Philadelphia-based Susquehanna International Group. In 2001, he was joined the executive advisory council of the Cato Institute.
In November 2020, it was reported that Yass had donated $25.3 million, all to Republican candidates, and one of the ten largest political donors in the US.
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By: jdubble07