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Billionaire Profile
Steven Klinsky
Global Rank
#757

Steven Klinsky

CEO, New Mountain Capital
New York, New York
Real-Time Net Worth
$5.62B
Estimated based on New Mountain Capital stock value as of September 10, 2026
0% (24h)
Age
69
Source
Investments
Industry
finance-investments
Citizenship
United States

Biography

Steven Klinsky is a highly successful investor and philanthropist, best known as the Founder and CEO of New Mountain Capital, a growth-oriented private equity firm with over $55 billion in assets under management. Klinsky's wealth source is primarily investments, built over a distinguished career that began at Goldman Sachs, where he co-founded the Leverage Buyout Group. He later became a partner at Forstmann Little & Co. before establishing New Mountain Capital in 1999. Klinsky is also a dedicated philanthropist, founding ModernStates.org, a major free college-for-credit initiative. His estimated net worth is $4.9 billion.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$5.62B
2025$4.90B
2024$4.90B

Portfolio Holdings

New Mountain Finance Corp

New Mountain Finance Corp

NMFCfinance-investments
$8.00B
Holdings Value
Ownership
12.52%
Market Cap
$807B
Stock Price
$7.98
New York, NY
Founded 2010

In-Depth Profile

Early Life and Education

Steven Klinsky was raised in Michigan and demonstrated exceptional academic abilities early on. He completed his Bachelor of Arts in Economics and Political Philosophy from the University of Michigan in approximately two years. He furthered his education by earning an MBA from Harvard Business School in 1979 and a Juris Doctor degree, with honors, from Harvard Law School in 1981.

Rise to Success

Klinsky began his career at Goldman Sachs, co-founding the Leverage Buyout Group. He then joined Forstmann Little & Co., rising to General Partner. In 1999, he founded New Mountain Capital, focusing on "defensive growth" and building businesses. Under his leadership, New Mountain Capital has grown to manage over $55 billion in assets. Klinsky's approach has emphasized building businesses and generating strong returns without relying on excessive debt.

Key Business Strategies

New Mountain Capital's investment strategy centers on non-cyclical growth industries and focuses on building businesses, rather than debt. The firm targets mid-sized companies and emphasizes long-term value creation. Klinsky's leadership has been instrumental in the firm's success, with New Mountain having never had an investment default in its private equity business.

Philanthropy

Klinsky is actively involved in philanthropy, particularly in education. He founded ModernStates.org, which offers free college courses for credit, and has supported numerous charter schools and educational programs. He also established the Gupta-Klinsky Institute at Johns Hopkins University.

Career Milestones

1981

Co-founded the Leverage Buyout Group

At Goldman Sachs & Co., executed over $3 billion in private equity transactions.

1984

Joined Forstmann Little & Co.

Became a General Partner, helping to oversee private equity and debt partnerships totaling over $10 billion.

1999

Founded New Mountain Capital

Established a growth-oriented private equity firm with a focus on non-cyclical industries.

Philanthropy & Social Impact

Education

ModernStates.org

$0

Founded a free college for credit initiative, offering courses and exams.

Education

Gary Klinsky Children's Centers

$25M+

Founded after-school programs in disadvantaged NYC public schools.

Public Health

Gupta-Klinsky Institute

Supported the establishment of the Gupta-Klinsky India Institute at Johns Hopkins University

Business Philosophy & Leadership

Notable Quotes

""Good business really cares about good metrics.""

Leadership Principles

Defensive Growth

Avoid investing in cyclical industries.

Business Building

Focus on being the best at building companies.

Billionaires Connected to Steven Klinsky

Peers in Finance-Investments

All Finance-Investments billionaires

Richest in United States

All billionaires from United States

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Steven Klinsky's net worth in 2026?
As of 2026, Steven Klinsky's estimated net worth is $5.622 billion, ranking #757 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Steven Klinsky make their money?
Steven Klinsky's wealth primarily comes from Investments, most notably through New Mountain Capital.
Where is Steven Klinsky from?
Steven Klinsky is from United States.
How old is Steven Klinsky?
Steven Klinsky is 69 years old.

Sources & References

  1. Steven Klinsky — Forbes profile Forbes