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Billionaire Profile
Michael Dorrell
Global Rank
#293

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

Michael Dorrell

CEO, Investing
New York, New York
Real-Time Net Worth
$11.7B
Estimated based on Investing stock value as of September 10, 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.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$11.7B
2025$8.50B
2024$8.50B

Portfolio Holdings

Stonepeak

Stonepeak

finance-investments
New York, New York
Information not available employees
Founded 2011

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

Specific philanthropy amounts for Michael Dorrell were not found in the search results.

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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Billionaires Connected to Michael Dorrell

Peers in Finance & Investments

All Finance & Investments billionaires

Richest in United States

All billionaires from United States

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Michael Dorrell's net worth in 2026?
As of 2026, Michael Dorrell's estimated net worth is $11.72 billion, ranking #293 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Michael Dorrell make their money?
Michael Dorrell's wealth primarily comes from Investing, most notably through Investing.
Where is Michael Dorrell from?
Michael Dorrell is from United States.
How old is Michael Dorrell?
Michael Dorrell is 52 years old.

Sources & References

  1. Michael Dorrell — Forbes profile Forbes