Billionaire Profile
J. Tomilson Hill
Global Rank
#1365

Image: Caravaggio / Louis Finson | CC0 | via Wikimedia Commons

J. Tomilson Hill

CEO, Two Sigma
UNITED STATES
Real-Time Net Worth
$3.15B
Estimated based on Two Sigma stock value as of April 20, 2026
-0.03% (24h)
Age
77
Source
Investments
Industry
finance-investments
Citizenship
UNITED STATES

Biography

J. Tomilson Hill is a prominent American billionaire investor and art collector. Born on May 24, 1948, Hill has built a successful career spanning over five decades in investment banking and asset management. He is currently a Managing Director at Two Sigma, CEO of Two Sigma Real Estate, and Chairman of Two Sigma's Private Investments. Hill's career highlights include co-founding the mergers and acquisitions department at First Boston, heading the M&A department at Lehman Brothers, and serving as President and CEO of Blackstone Alternative Asset Management (BAAM). With a net worth of $3.0 billion, Hill is known for his strategic acumen and his significant art collection, which he shares through the Hill Art Foundation.

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

Wealth Over Time

In-Depth Profile

Early Life

J. Tomilson Hill was born in New York City on May 24, 1948. Growing up in Manhattan, he developed an appreciation for art and culture, influenced by his mother, a sculptor. He attended The Buckley School and Milton Academy before pursuing higher education at Harvard University, where he graduated cum laude with a B.A. degree. He furthered his education at Harvard Business School, earning an MBA in 1973.

Rise to Success

Hill's career began at Credit Suisse First Boston (First Boston) in 1973, where he was one of the founding principals of the mergers and acquisitions (M&A) department. He then moved to Smith Barney, serving as the head of its mergers and acquisitions department. In 1982, he joined Lehman Brothers as a partner in the M&A department and rose to become head of M&A, head of Investment Banking, and co-CEO. In 1993, after leaving Lehman Brothers, he joined Blackstone Group. At Blackstone, Hill served as co-head of the corporate mergers and acquisitions advisory group before becoming President and CEO of Blackstone Alternative Asset Management (BAAM) in 2000. Under his leadership, BAAM grew to become the world's largest discretionary investor in hedge funds. In 2019, Hill stepped down from his position at Blackstone and is now involved with Two Sigma.

Key Business Strategies

Throughout his career, Hill has been known for his expertise in mergers and acquisitions and his strategic vision in the alternative asset management space. At Lehman Brothers, he played a key role in high-profile deals during the leveraged buyout boom of the 1980s. At Blackstone, his leadership of BAAM was marked by significant growth and success. His ability to identify and capitalize on market opportunities has been a hallmark of his career.

Philanthropy

Hill is actively involved in philanthropy, serving as chairman of the Solomon R. Guggenheim Foundation's Board of Trustees and the Lincoln Center Theater. He is also on the Board of Directors of the Metropolitan Museum of Art. In 2018, he and his wife Janine founded the Hill Art Foundation, which showcases their extensive art collection and provides educational programs. The Foundation's goals include amplifying the artist's voice and deepening the relationship between art and the viewer.

Career Milestones

1973

Began career at First Boston

Joined First Boston as one of the founding principals of the M&A department.

1982

Joined Lehman Brothers

Became a partner in the M&A department and later head of M&A, head of Investment Banking and co-CEO.

1993

Joined Blackstone

Served as co-head of the corporate mergers and acquisitions advisory group.

2000

Became CEO of BAAM

Appointed President and CEO of Blackstone Alternative Asset Management (BAAM).

2019

Transitioned from Blackstone

Stepped down from his position at Blackstone to focus on other ventures.

Philanthropy & Social Impact

Arts and Education

Hill Art Foundation

Undisclosed

Founded the Hill Art Foundation with his wife, Janine, to showcase their art collection and provide educational programs.