Jeff Yass

https://en.wikipedia.org/wiki/Jeff_Yass

Jeffrey S. Yass (born 1956) is an American billionaire businessman. According to Forbes, Yass had a net worth of $28.5 billion in 2023.

He is the co-founder and managing director of the Philadelphia-based Susquehanna International Group (SIG) and an early investor in TikTok. In 2001, he joined the executive advisory council of the Cato Institute.

Yass is the richest man in Pennsylvania. As of February, he is the largest donor in the 2024 US election cycle, having donated $34 million to Republican groups and campaigns.