Noah kirsch
The oil man and the sea
Kjell Inge Rokke amassed a $1.7 billion fortune by stripping the oceans of oil and fish. Now he says he wants to clean up the mess—from the deck of the world's largest superyacht. Meet the biggest contradiction on water
Business intelligence for dummies
Sorry, PhDs. Dean Stoecker's analytics software, Alteryx, can turn almost anyone into a data scientist. And it's turned him into a billionaire
Personalising cancer
Eric Lefkofsky made it big with five startups?most famously Groupon?by harnessing data. Will it work for diseases?
How toymaker Zuru made a family of billionaires
Zuru specialises in making cheap toys, which sell in 120 countries
The billionaire has a new boss
After graduating second-to-last in his high school class, Jimmy John Liautaud began selling submarine sandwiches from a converted two-car garage. Two years ago, he sold most of Jimmy John's to a private equity firm in a deal that forced him to give up control. Can Jimmy John's thrive without Jimmy John behind the wheel?