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Dorrell
Michael Dorrell
Rank #420
UNITED STATES•Finance & Investments•Investing

Michael Dorrell

Net Worth
$8.467B
0% (24h)
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.

How to read Michael Dorrell's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Michael Dorrell, we anchor the narrative to Investing and Investing, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $8.467B alongside global rank #420, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

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 Timeline

2011

Cofounded Stonepeak

Co-founded Stonepeak, an infrastructure investment firm.

2001

Moved to the United States

Relocated to the US to focus on infrastructure investments.

1998

Joined Macquarie Group

Began career in mergers and acquisitions at Macquarie Group.

Philanthropic Impact

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Key Business Ventures & Holdings

CompanyStakeValue
Stonepeak——

Net Worth History

In-Depth Analysis

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.

Data Sources & Methodology

Figures for Michael Dorrell are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.

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