Michael Dorrell is an Australian billionaire businessman, and the co-founder of American private equity firm

Stonepeak Stonepeak (also known as Stonepeak Partners and Stonepeak Infrastructure Partners) is an American investment firm headquartered in New York City. The firm focuses on investments in infrastructure and more recently real estate. The firm has addi ...

. Dorrell grew up in Griffith, NSW, Australia, a farming town 7 hours drive south-west of Sydney. He earned a bachelor of laws and a bachelor of commerce degree, both from the

University of New South Wales The University of New South Wales (UNSW) is a public research university based in Sydney, New South Wales, Australia. It was established in 1949. The university comprises seven faculties, through which it offers bachelor's, master's and docto ...

in Sydney. He co-founded

with Trent Vichie. In April 2025, ''

Forbes ''Forbes'' () is an American business magazine founded by B. C. Forbes in 1917. It has been owned by the Hong Kong–based investment group Integrated Whale Media Investments since 2014. Its chairman and editor-in-chief is Steve Forbes. The co ...

'' estimated Dorrell's net worth at US$8.5 billion. The ''

Wall Street Journal ''The Wall Street Journal'' (''WSJ''), also referred to simply as the ''Journal,'' is an American newspaper based in New York City. The newspaper provides extensive coverage of news, especially business and finance. It operates on a subscriptio ...

'' reported that Dorrell bought Tarpon Island, the only private island in

Palm Beach, Florida Palm Beach is an incorporated town in Palm Beach County, Florida, United States. Located on a barrier island in east-central Palm Beach County, the town is separated from West Palm Beach, Florida, West Palm Beach and Lake Worth Beach, Florida, ...

for $150 million.

References

{{DEFAULTSORT:Dorrell, Michael Living people Australian billionaires Australian company founders University of New South Wales alumni People from Canberra