Michael Dorrell

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Michael Dorrell (born August 1973 [1] ) is an Australian billionaire businessman. He is the co-founder of American private equity firm Stonepeak.

Contents

Early life and education

Dorrell grew up in Griffith, New South Wales, Australia, a farming town 7 hours drive south-west of Sydney. [2] He earned a bachelor of laws and a bachelor of commerce degree, both from the University of New South Wales in Sydney. [3]

Career

Dorrell worked at Macquarie Group, and at 2001 at age 25 moved from the company's Sydney headquarters to work in the United States. He stated that the company "didn’t take the U.S. all that seriously", and "that's why a 25-year-old kid could be sent over here and be one of six people looking at this whole market". [4]

Dorrell co-founded Stonepeak with Trent Vichie. [5] In April 2025, Forbes estimated Dorrell's net worth at US$8.5 billion. [4]

The Wall Street Journal reported that Dorrell bought Tarpon Island, the only private island in Palm Beach, Florida for $150 million. [6]

References

  1. "Michael DORRELL personal appointments". Companies House . Retrieved 18 September 2025.
  2. "Mike Dorrell". Bloomberg LP. Retrieved 24 June 2025.
  3. "Our People | Stonepeak". stonepeak.com. Retrieved 23 June 2025.
  4. 1 2 Tucker, Hank. "How Michael Dorrell Became A Billionaire Making Private Infrastructure A Safe Haven". Forbes. Retrieved 23 June 2025.
  5. "How Stonepeak and GIP rode the $1.5 trillion infrastructure wave". Australian Financial Review. 25 March 2024. Retrieved 24 June 2025.
  6. Hofheinz, Darrell. "Did Australian mogul pay $150M for Palm Beach private isle? Wall Street Journal says so". Palm Beach Daily News. Retrieved 23 June 2025.