16 John Fredriksen, Fredriksen Group
Although his shipping influence is diminishing, the billionaire still has a diverse fleet, comprising 225 vessels with an asset value of more than $10bn
One of shipping's last true tycoons, John Fredriksen maintains his top 20 status despite keeping everyone second-guessing about his legacy plans; but it now seems clear that his twin daughters Cecilie and Kathrine will not take control of the business