Peter Smedvig and family
Shipping, Oil, Gas services
Smedvig, 70, comes from a long line of Norwegian seafarers. In 1995, after 80 years in shipping, the family's investment portfolio was worth £150m. Smedvig moved into drilling rigs but sold the business for £1.2bn in 2005 and is now a private equity investor through his London-based Smedvig Capital. In its 2016 Norwegian rich list, Kapital magazine raised him to £909m.