Billionaire Profile
Adebayo Ogunlesi
Global Rank
#1662

Image: Kosmos energy | CC BY-SA 4.0 | via Wikimedia Commons

Adebayo Ogunlesi

CEO, Private equity
UNITED STATES
Real-Time Net Worth
$2.479B
Estimated based on Private equity stock value as of March 6, 2026
-1.02% (24h)
Age
72
Source
Private Equity
Industry
Finance & Investments
Citizenship
UNITED STATES

Biography

Adebayo "Bayo" Ogunlesi (born December 20, 1953) is a Nigerian-American investment banker and businessman. He is the Chairman and CEO of Global Infrastructure Partners (GIP), a private equity firm specializing in infrastructure investments, which was acquired by BlackRock in 2024. Ogunlesi's wealth stems from his successful career in Private Equity, particularly through GIP. His career includes significant roles at Credit Suisse First Boston and as a law clerk to a U.S. Supreme Court Justice. As of early 2025, his net worth is estimated to be $2.5 billion.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Adebayo Ogunlesi was born in Sagamu, Nigeria. His father was the first Nigerian professor of medicine at the University of Ibadan. Ogunlesi attended King's College, Lagos, before moving to the UK. He earned a B.A. with first-class honors in Philosophy, Politics, and Economics from Oxford University. He then moved to the United States, where he earned a J.D. magna cum laude from Harvard Law School and an MBA from Harvard Business School.

Rise to Success

Ogunlesi began his career as a law clerk to Justice Thurgood Marshall of the U.S. Supreme Court. He then worked at the law firm Cravath, Swaine & Moore before entering the banking industry. He spent 23 years at Credit Suisse First Boston (CSFB), where he rose to Executive Vice Chairman and Chief Client Officer of its Investment Banking Division. In 2006, Ogunlesi founded Global Infrastructure Partners (GIP), which invested in infrastructure assets globally. Under his leadership, GIP acquired major assets such as London Gatwick Airport. In January 2024, BlackRock acquired GIP for $12.5 billion.

Key Business Strategies

Ogunlesi's success is built on a strategy of identifying and investing in critical infrastructure assets. GIP focused on sectors like energy, transportation, and water and waste management. His ability to see value in underperforming assets, such as Gatwick Airport, and implement cost-cutting and efficiency improvements, has been key to his success.

Philanthropy

Specific details on Ogunlesi's philanthropy are not available in the search results, but he is known for his board memberships and involvement in various organizations. His wife, Amelia Quist-Ogunlesi, is a major supporter of educational and charitable causes.

Career Milestones

1980

Law Clerk

Served as a law clerk to Justice Thurgood Marshall of the U.S. Supreme Court

1983

Advisor

Joined First Boston as an advisor on a Nigerian gas project

2002

Head of Global Investment Banking Division

Appointed Head of the Global Investment Banking Division at Credit Suisse First Boston (CSFB)

2006

Founder

Founded Global Infrastructure Partners (GIP)

2024

BlackRock Acquisition

BlackRock acquired Global Infrastructure Partners (GIP)

Philanthropy & Social Impact

N/A

Not specified

Undisclosed

Information not available