Jeff Yass
Jeff Yass, who lives in Bala Cynwyd, is an American billionaire businessman. He co-founded and serves as managing director of Susquehanna International Group (SIG), a trading and technology firm, also based in Bala Cynwyd.
As of April 2025, Forbes estimated his net worth at $59 billion, making him the richest person in Pennsylvania and the 25th wealthiest globally.
Yass is a registered Libertarian who primarily donates to Republican candidates and causes, including significant contributions to super-PACs like Club for Growth Action. He and his wife, Janine Yass, are notable supporters of school choice initiatives.
Additionally, Yass is a major investor in TikTok. After meeting with then-presidential candidate Donald Trump in March 2024, Trump’s stance shifted from supporting a ban on TikTok to opposing it.
In the 2024 U.S. election cycle, Yass donated approximately $100 million to Republican groups and campaigns.
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Forbes Ranks the Wealthiest Americans and There Are Some Familiar Montco Faces
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WSJ: A Bala Cynwyd Billionaire Has Been Instrumental in Stalling TikTok Ban
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WSJ: It’s a Safe Bet that Bala Cynwyd Billionaire Jeff Yass Thinks He Has an Idea to Improve Politics, Policy
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Bala Cynwyd Billionaire Uses Same Prowess He Applies to Options Markets As He Does on His Taxes
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Bala Cynwyd Billionaire Jeff Yass Spent $18M on Candidates Who Support This Cause
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How Bala Cynwyd Businessman Jeff Yass, the Richest Man in PA, Pays a Lower Tax Rate Than Most Americans
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Bala Cynwyd Billionaire Poised to Spend Millions Influencing Upcoming Elections
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Forbes: Gambling Instincts Helped Bala Cynwyd’s Jeff Yass Create a Global Trading Powerhouse
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Cha-Ching! Five Montgomery County Residents Make Forbes World’s Billionaires List
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Bala CEO’s $25 Million Contribution to Republican Candidates and Groups Makes Him One of America’s Top Political Donors
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