- Source of Wealth: Fashion (British Fashion Council)
- Nationality: United Kingdom
With Peter Davies, chief executive of Rubicon, she led a management buyout of the Principles, Warehouse, Racing Green and Hawkshead brands from Arcadia Group in 2001.
By 2004 Riva had turned a £9m operating loss into a £20m profit and she hit the jackpot when the business was sold for £140m the following year to the Shoe Studio Group. Riva made more than £40m in sale proceeds but The Sunday Times Rich List kept her on £40m for now.