Sebastian Siemiatkowski has been CEO of Klarna for 20 years. He now faces his biggest test yet with a U.S. IPO fast ...

U.S. stocks took a heavy beating during the first quarter of the year. But the second could be much more treacherous.

Sebastian Siemiatkowski said U.S. customers would discover the many ways to use Klarna, as DoorDash deal inspires "The Big ...

Klarna insiders share how ahead of a potential IPO, the payments startup is cutting costs, streamlining roles, and embracing ...

Klarna filed its paperwork with the SEC on Friday to go public on the New York Stock Exchange under ticker symbol KLAR.

But this time, Sebastian Siemiatkowski emphasized that he doesn’t think others will — or should — follow his lead. “I don’t think it is the end of Salesforce; might be the opposite ...

Affirm shares are tumbling after rival Klarna, which is preparing to go public in the U.S., said it is now the exclusive provider of Buy Now, Pay Later loans for Walmart.

LONDON — After 20 years in the role as Klarna's CEO, Sebastian Siemiatkowski is about to face his toughest test yet as the financial technology firm prepares for its blockbuster debut in New York.