2. Douglas John David Perkins
Net Worth: £1.55 billion
Douglas John David Perkins (born April 1943) is a British billionaire businessman. He is the co-founder of Specsavers, an international optical retail chain.
Perkins began his career as an optometrist in Llanelli and Carmarthen. In the 1970s, he took over his father-in-law’s optician store in Bristol and subsequently opened 22 stores.
Perkins co-founded Specsavers with his wife in 1984. The company turned into an international chain of opticians, making them both billionaires. As of April 2016, they have an estimated wealth of £1.55 billion according to the Sunday Times Rich List. In spite of being a billionaire, Perkins calls himself “working-class.