IN DETAIL: Sebastian Siemiatkowski, CEO & Founder, Klarna

Sebastian Siemiatkowski is the CEO and Founder of disruptive payments provider Klarna. With its buy now, pay later, pay in 3 and other flexible, or as Klarna likes to call it smoooth, payments options, this business has shaken up the way we shop, having been adopted by more than 250,000 retailers worldwide. It’s also fair to say it has ruffled a few feathers among the traditional banking sector with its bright pink, sometimes frankly oddball, advertising and its celebrity backers. But it has ...