Björgólfur Thor Björgólfsson (born 19 March 1967), known internationally as Thor Bjorgolfsson, and colloquially in Iceland as Bjöggi, is an Icelandic businessman and entrepreneur. He is also chairman and founder of Novator Partners. Björgólfur Thor has built and invested in a number of larger companies and smaller startups, including Actavis, a pharmaceutical company; WOM Play - mobile telecoms challenger brands in Chile, Colombia and Poland; and Zwift - an online platform for indoor cycling. Other companies invested in by Björgólfur Thor and Novator include Deliveroo, Monzo, Stripe, Cazoo, Xantis Pharma, Klang, and Lockwood Publishing. Björgólfur Thor was the first Icelander to join Forbes magazine's list of the world's richest people in 2005. He has been declared as "Iceland's first billionaire"; and was ranked as the 249th-richest person in the world by Forbes magazine in 2007 - up from 350th the previous year - with a net worth of $3.5 billion. However, due to the financial crisis of 2007–2010, Thor lost close to his entire fortune and he faced personal bankruptcy. He then worked out a complex deal with his creditors to pay off his debts while holding on to his key investments. Björgólfur Thor published an autobiography in 2014 about the ordeal titled 'Billions to Bust and Back'''. Björgólfur Thor appeared on the Forbes rich list in 2015 with a net worth of $1.3 billion, and in 2021 ranked at number 1444 with a net worth of $2.2 billion. Early life and career Björgólfur Thor is heir to a long family legacy in Icelandic business and politics. His great-grandfather was the legendary Danish-born Icelandic entrepreneur Thor Jensen, who helped introduce industrial capitalism to the country in the early years of the twentieth century. The eighth of Thor Jensen's eleven children was Björgólfur's grandmother Margrét Þorbjörg Thors Hallgrímsson, whose daughter Þóra Hallgrímsson had Björgólfur as her only child by her third husband Björgólfur Guðmundsson. Björgólfur Thor grew up in the Reykjavík suburb of Vesturbær. A sketch of Björgólfur Thor's early life is offered by Ármann Þorvaldsson: His rare self-confidence made him stand out. He was immensely physically strong and bench pressed over 450 pounds. He was an entrepreneur from early on, and by the age of 11 he was delivering newspapers in the early hours of the morning. A year later he was a delivery boy at the University of Iceland and, at 13, was running his own home video delivery