Billionaire Profile
Michael Dorrell
Global Rank
#425

Image: Richard Dorrell | CC BY-SA 2.0 | via Wikimedia Commons

Michael Dorrell

CEO, Investing
UNITED STATES
Real-Time Net Worth
$8.467B
Estimated based on Investing stock value as of April 20, 2026
0% (24h)
Age
52
Source
Investing
Industry
Finance & Investments
Citizenship
UNITED STATES

Biography

Michael Dorrell is an Australian-American billionaire businessman and the co-founder and CEO of Stonepeak, an infrastructure investment firm. With a current net worth of $8.5 billion, Dorrell's wealth stems primarily from his controlling stake in Stonepeak. His career began in mergers and acquisitions at Macquarie Group before transitioning to the United States to focus on infrastructure investments. Dorrell's expertise lies in identifying profitable niches in the infrastructure sector, leading to Stonepeak's success in managing a $76 billion infrastructure portfolio, including assets in wind farms, data centers, and marine shipping.

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

Wealth Over Time

In-Depth Profile

Early Life and Education

Michael Dorrell was born in August 1973 in Australia and grew up in Griffith, New South Wales. He earned a Bachelor of Laws and a Bachelor of Commerce degree from the University of New South Wales in Sydney.

Rise to Success

Dorrell began his career at Macquarie Group's mergers and acquisitions group in 1998. He moved to the U.S. in 2001 to focus on infrastructure investing. In 2011, Dorrell co-founded Stonepeak, an infrastructure investment firm based in New York City, and currently serves as its CEO. Under his leadership, Stonepeak has grown to manage a $76 billion infrastructure portfolio, including wind farms, broadband service providers, and data centers.

Key Business Strategies

Dorrell's success is attributed to his ability to identify and capitalize on opportunities in the infrastructure sector. His focus on low-risk alternative investments, such as private plane airports and data centers, has proven lucrative. His early recognition of the potential in the U.S. infrastructure market, which was then largely ignored by Wall Street, allowed him to establish a strong foothold and build a successful firm. Stonepeak's strategy involves a blend of private credit and equity, providing stability to investors even during market downturns.

Philanthropy

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Career Milestones

1998

Joined Macquarie Group

Began career in mergers and acquisitions at Macquarie Group.

2001

Moved to the United States

Relocated to the US to focus on infrastructure investments.

2011

Cofounded Stonepeak

Co-founded Stonepeak, an infrastructure investment firm.

Philanthropy & Social Impact

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Business Philosophy & Leadership

Notable Quotes

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Leadership Principles

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Controversies & Challenges

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