Billionaire Profile
Sami Mnaymneh
Global Rank
#472

Image: Averette | CC BY 3.0 | via Wikimedia Commons

Sami Mnaymneh

CEO, Private equity
UNITED STATES
Real-Time Net Worth
$7.797B
Estimated based on Private equity stock value as of April 20, 2026
0% (24h)
Age
64
Source
Private equity
Industry
Finance & Investments
Citizenship
UNITED STATES

Biography

Sami Mnaymneh is a prominent American business executive and the Co-Founder and Co-CEO of H.I.G. Capital, a global private equity firm. With a current net worth estimated at $7.8 billion, Mnaymneh's wealth stems primarily from his success in private equity. His career began at The Blackstone Group and Morgan Stanley before he co-founded H.I.G. Capital in 1993, which has grown into a firm managing billions in assets. Mnaymneh, a Miami Beach resident, is also known for his philanthropic endeavors and his support of various cultural and medical institutions.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Sami Mnaymneh was born in the United States and holds American citizenship. He graduated Summa Cum Laude as valedictorian from Columbia College in 1981, earning a B.A. in Economics. He furthered his education by receiving a J.D. degree and an M.B.A. degree, with honors, from Harvard Law School and Harvard Business School, respectively.

Rise to Success

Mnaymneh's career began with key positions at The Blackstone Group and Morgan Stanley. He was a managing director at The Blackstone Group and a Vice President in the Mergers and Acquisitions department at Morgan Stanley & Co., where he focused on leveraged buyouts. In 1993, Mnaymneh co-founded H.I.G. Capital with Tony Tamer. Under their leadership, H.I.G. Capital has grown into a global private equity firm managing over $58 billion. Mnaymneh has led over 75 transactions in various industries throughout his career.

Key Business Strategies

H.I.G. Capital specializes in providing debt and equity capital to small and medium-sized companies, employing a flexible and operationally focused approach. The firm invests in a wide range of sectors, including healthcare, technology, and manufacturing. Mnaymneh's leadership has been instrumental in developing H.I.G. into a major player in the private equity market. The firm has a global presence with offices across the United States, Europe, and South America.

Philanthropy

Mnaymneh is involved in supporting various cultural and medical institutions. He has served on the Board of Columbia College and the Dean's Council of the Harvard Law School. In 2009, he established the Sami Mnaymneh Chair at the Economics Department of Columbia University.

Career Milestones

1981

Graduated as Valedictorian

Graduated Summa Cum Laude from Columbia University with a BA in Economics.

1993

Co-founded H.I.G. Capital

Co-founded H.I.G. Capital with Tony Tamer.

Philanthropy & Social Impact

Education

Sami Mnaymneh Chair at Columbia University

Unknown

Established the Sami Mnaymneh Chair at the Economics Department of Columbia University.

Culture and Medical

Cultural and Medical Institutions Support

Unknown

Supports cultural and medical institutions including Tate Modern, Whitney Museum of American Art, and Memorial Sloan Kettering Cancer Center