Sebastian Siemiatkowski


CEO and Co-Founder

In 2005, Sebastian Siemiatkowski co-founded Klarna in order to provide safe and smooth online payments. He currently serves as its Chief Executive Officer. He has overseen the company’s rapid global growth with Klarna now operating across 17 markets. Klarna is now a fully licensed bank with over 90 million active consumers and 250,000 merchant partners. He holds a master’s degree from the Stockholm School of Economics.

Event Sessions Featuring Sebastian Siemiatkowski

Fireside Chat

In conversation with Klarna's CEO Sebastian Siemiatkowski

AltFi Leadership Forum 2021 - Wednesday 12 May 2021

Articles Featuring Sebastian Siemiatkowski

Klarna wants you to buy now, and pay now

18th October 2021 | Daniel Lanyon

Growth drive pushes Klarna to wider loss

27th August 2021 | Aisling Finn

Klarna chooses Madrid for new tech hub

26th May 2021 | Daniel Lanyon

Klarna eyes up London for upcoming IPO

19th May 2021 | Aisling Finn

Klarna adds 60,000 merchant partners

27th November 2019 | John Reynolds

How Klarna became Europe’s largest fintech?

12th August 2019 | Roger Baird

Snoop Dogg partners with fintech banking platform

19th January 2019 | Daniel Lanyon