Billionaire Profile
Sami Mnaymneh
Global Rank
#460

Image: Public domain | via Wikimedia Commons

Sami Mnaymneh

CEO, H.I.G. Capital
US
Real-Time Net Worth
$7.8B
As of December 2025
Age
64
Source
Private equity
Industry
finance-investments
Citizenship
US

Biography

Sami Mnaymneh, co-founder, Executive Chairman and CEO of H.I.G. Capital, is a prominent figure in the private equity sector. With an estimated net worth of $7.8 billion, Mnaymneh's wealth stems primarily from his leadership at H.I.G. Capital, a global alternative investment firm. His career began at Blackstone and then Morgan Stanley before co-founding H.I.G. Capital in 1993, which has grown to manage billions of dollars in assets. Mnaymneh's achievements include directing the firm's development and approving all capital commitments, with a focus on middle-market deals. His commitment extends to serving on boards at Columbia College and Harvard Law School. Mnaymneh's focus on private equity has been key to his substantial financial success.

Wealth Over Time

In-Depth Profile

Early Life and Education

Sami Mnaymneh was born on July 13, 1961. He earned a B.A. degree, Summa Cum Laude, from Columbia University, graduating first in his class in 1981. Mnaymneh 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 at Morgan Stanley in the Mergers and Acquisitions department, and later as a Managing Director at Blackstone. In 1993, Mnaymneh co-founded H.I.G. Capital with Tony Tamer. Under their leadership, H.I.G. Capital has become a global alternative investment firm with approximately $69 billion of capital under management, specializing in providing both debt and equity capital to middle-market companies. Mnaymneh has overseen the firm's growth, directing its development and approving all capital commitments. Prior to founding H.I.G., Mnaymneh was a Managing Director with The Blackstone Group in New York. Earlier in his career, he was a vice president in the Mergers and Acquisitions department at Morgan Stanley & Co., where he focused on leveraged buyouts and served as a senior advisor to a number of prominent private equity firms.

Key Business Strategies

H.I.G. Capital's strategy focuses on providing both debt and equity capital to middle-market companies. The firm's investment focus includes equity funds that invest in management buyouts, recapitalizations, and corporate carve-outs, as well as debt funds that invest in various sectors. Mnaymneh has led over 75 transactions in a wide range of industries throughout his career. H.I.G. has expanded to include operations in Europe and Latin America, with a large credit business.

Philanthropy

Mnaymneh supports cultural and medical institutions, including the Tate Modern, the Whitney Museum of American Art, and the Memorial Sloan Kettering Cancer Center.

Career Milestones

1993

Co-founded H.I.G. Capital

Co-founded H.I.G. Capital, a global alternative investment firm.

Prior to 1993

Managing Director at Blackstone

Held a senior position at Blackstone.

Prior to 1993

Vice President at Morgan Stanley

Served as a Vice President in the Mergers and Acquisitions department at Morgan Stanley.

Philanthropy & Social Impact

Arts and Healthcare

Cultural and Medical Institutions

Unknown

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