But who is hedge fund manager Michael Platt and how did he amass his vast personal fortune of £10bn?
With the help of Sunday Times Rich List data, these are the 10 richest people in the North West in 2022.
The list is based on identifiable wealth, including land, property, other assets such as art and racehorses, or significant shares in publicly quoted companies.
7. John Gore
Source of wealth: Entertainment: £1.681 billion. John Gore (born 1962) is a British entertainment producer, known for his live theatre company the John Gore Organisation. The organisation formerly known as Key Brand Entertainment (KBE), is a producer and distributor of live theatre in North America, as well as an e-commerce company, focused on theatre. KBE was founded in the UK in 2004 by 14-time Tony Award winning Producer John Gore who is the company's Chairman, CEO and Owner. Photo: Steven Ferdman
8. John Whittaker and family
Source of wealth: Property: The Peel Group: £1.6 billion. John Whittaker is a British billionaire businessman. He is the chairman of the Peel Group, a property company that mainly invests in North West England. Although publicity-shy, he has been named as one of the most influential business leaders for the North West and was named the most influential northerner by The Big Issue magazine in 2010. Photo: PAUL ELLIS
9. Henry Moser
Source of wealth: Finance: Together: £1.565 billion. Henry Moser (born September 1949) is a British billionaire businessman. He is the founder, owner and CEO of Together Financial Services Limited, a UK mortgage lender. Moser grew up in Bury, Lancashire, left school at 16 and became a car salesman. He went on in 1974 to co-founded Jerrold Holdings, a mortgage lender, with Barrie Pollock. Photo: Google
10. The Done brothers
Fred, pictured, and Peter Done: source of wealth: Gambling: Betfred: £1.476 billion. Fred Done (born March 1943) is a British billionaire businessman and the owner of the bookmaking chain Betfred, which has more than 1,600 betting shops in the UK. In 1967 aged 24, Done opened his first bookmaker with his brother, which they funded by a win on England's victory in 1966 FIFA World Cup the year before. Photo: Alan Crowhurst