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David and Simon Reuben
Property, Internet
Rank 2017
3
Worth
£14,000m
Rise/fall
£900m

The latest success story for the Mumbai-born Reuben siblings – David, 78, and Simon, 76 later this month – is data centres. They sold a 49% stake last year in operator Global Switch for £2.4bn.
   The Reubens put themselves on the map during Russia’s “aluminium wars” in the 1990s, controlling 5% of the metal’s world output. After losing a battle with a company run by Roman Abramovich (qv) they left Russia in 2000, having made about £1.3bn. They began to invest heavily in prime London property, including Connaught House in Berkeley Square, and in 2015 bought a £70m car park in Mayfair, which will be worth £500m after redevelopment. Along with London Oxford airport and the London Heliport in Wandsworth they own Arena Racing, Britain's biggest racecourse group, and have invested in Metro Bank, founded by Vernon and Shirley Hill (qv), plus hospitality and leisure company Belmond, formerly Orient-Express Hotels.
   The Reuben Foundation was founded in 2002 with an initial endowment of $100m. It funded the 2015 extension of the Lyric Theatre in Hammersmith, and last year expanded its programme of scholarships to Oxford and Cambridge.

Reuben brothers spread their towels on Ibiza beach