Jeff Yass

$67.44 B

Ranked #28 in World

About Jeff Yass

American billionaire Jeffrey S. Yass, with a net worth of $28.5 billion in 2023, stands as the world's 48th wealthiest individual and Pennsylvania's richest resident. As the co-founder and managing director of Susquehanna International Group, Yass hails from a Queens, New York middle-class Jewish family. A skilled trader and former professional gambler, Yass has deep political ties, mainly supporting Republican causes, and is heavily involved in educational philanthropy. He is a longstanding board member at the Cato Institute since 2002, emphasizing financial market expertise.

Born

July 17, 1958

Age

67 years

Source Of Wealth

Trading, Investments

Industries

Finance & Investments

Citizenship

United States

Residence

Haverford, Pennsylvania

Education

Bachelor of Science, SUNY Binghamton

Spouse

Janine Coslett

Children

Jeffrey S. Yass was born into a middle-class Jewish family in Queens, New York. His father, Gerald Yass, was an accountant and co-founder of Susquehanna International Group (SIG). Yass attended public schools in Queens and went on to earn a BS in mathematics and economics from Binghamton University. He pursued graduate studies in economics at New York University but did not complete the program.

Jeff Yass: Family

Jeffrey S. Yass is married to Janine Coslett and has four children. The family resides in Haverford, Pennsylvania.

Jeff Yass: Career Highlights

Yass co-founded SIG with five friends while at Binghamton University in the 1970s. The company became the largest trader of liquid stocks in the United States. Yass was sponsored by billionaire trader Israel Englander for a seat on the Philadelphia Stock Exchange. Prior to his success in finance, Yass worked as a professional gambler.

Jeff Yass: Companies

Jeffrey S. Yass is the co-founder and managing director of Susquehanna International Group (SIG), a global financial services company. SIG is headquartered in Bala Cynwyd, Pennsylvania, and has offices in major financial centers around the world.

Jeff Yass: Major Achievements

Yass has achieved significant success in the financial industry. He is credited with building SIG into one of the most successful trading firms in the world. His net worth is estimated to be $28.5 billion, making him the 48th richest person in the world as of 2023.

Jeff Yass: Awards & Achievements

Yass has received numerous awards and recognitions for his contributions to the financial industry. In 2001, he was featured as one of 76 Revolutionary Minds in Philadelphia magazine. He is also the richest man in Pennsylvania as of 2023.

Jeff Yass: Personal Life & Legacy

Yass is known for his philanthropy and support of various charitable organizations. He is a member of the board of directors of the libertarian Cato Institute and has donated to various political candidates and organizations, primarily Republican.

Yass is also an advocate for school choice and has donated to organizations promoting it. He was one of the ten largest political donors in the United States in 2020.

Jeff Yass: Trivia

Yass is an avid art collector and owns a significant collection of contemporary art. He is also a fan of sports and supports several professional sports teams in Philadelphia.

Wealth History

Timeline

1970s

Co-founded Susquehanna International Group (SIG) with five friends while at Binghamton University.

2001

Appeared as one of 76 Revolutionary Minds in Philadelphia magazine.

2002

Became a member of the board of directors of the libertarian Cato Institute.

2020

Became one of the ten largest political donors in the US.

2023

Has a net worth of $28.5 billion, making him the 48th richest person in the world and the richest man in Pennsylvania.

Jeff Yass : FAQs

What is Jeff Yass's current net worth?

Jeff Yass's current net worth is $67.44 billion.

What is Jeff Yass's current global rank among billionaires?

Jeff Yass holds the 28th position globally among billionaires.

What is Jeff Yass's current ranking within the United States?

Jeff Yass holds the 19th position in United States.

What was the change in Jeff Yass's net worth compared to the previous year?

Jeff Yass's net worth increased by 1.78 billion dollars compared to the previous year 2025, when his net worth was 65.65 billion dollars.

What are Jeff Yass's main sources of wealth?

Jeff Yass's main source of income comes from Trading, Investments.

In which industry does Jeff Yass primarily operate?

Jeff Yass is primarily involved in the Finance & Investments industry.

What is Jeff Yass educational background?

Jeff Yass holds a Bachelor of Science from SUNY Binghamton.

How old is Jeff Yass?

Jeff Yass is 67 years old.

How many children does Jeff Yass have?

Jeff Yass has 4 children.

Who is Jeffrey S. Yass and what is his business achievement?

Jeffrey S. Yass is an American billionaire business magnate, co-founder, and managing director of Susquehanna International Group (SIG), known for building SIG into the largest trader of liquid stocks in the US.

Can you outline Jeffrey S. Yass's involvement in political activities?

Jeffrey S. Yass has been a member of the board of directors of the Cato Institute since 2002, donates primarily to Republican political candidates and organizations, supports school choice, and was one of the top ten political donors in the US in 2020.

What recognitions has Jeffrey S. Yass received and where is he based?

Jeffrey S. Yass was listed as one of 76 Revolutionary Minds by Philadelphia magazine in 2001, is recognized as the richest man in Pennsylvania as of 2023, and resides in Haverford, Pennsylvania.