Jewish father of four Leonard Blavatnik became the UK’s richest person in 2015 when The Sunday Times listed him to be worth £13.17 billion. The owner of a £200 million mansion in Kensington Palace Gardens since 2004, Blavatnik moved from the Soviet Union to America aged 21 and from a starting point of zero made a fortune in music, oil, property and technology. Through his Access Industries group this Columbia University and Harvard Business School graduate owns and has stakes in the Warner Music Group, the Grand-Hôtel du Cap-Ferrat and Tory Burch.
He must pay unbelievable taxes.