Sebastian Siemiatkowski
Person ● Covered in 0 stories + Follow ✴ AI Graph Request update Wikipedia
Sebastian Siemiatkowski is the co-founder and chief executive officer of Klarna. He started building Klarna at age 23 while on a sabbatical from the Stockholm School of Economics, after working in sales offering accounts receivable services to small businesses and seeing recurring problems in e-commerce payments. He co-founded the company in 2005 with Niklas Adalberth and Victor Jacobsson. He is known for leading Klarna as its CEO since its founding.
Updated 11 September 2026
Public sources: Wikipedia
Why this page exists, and how to correct or remove it
This profile is assembled automatically because Sebastian Siemiatkowski appears in coverage we index or holds a role listed publicly by their organisation. It uses only public sources — company and organisation pages, news articles, Wikipedia, and public professional listings — and the biography, if any, is written by AI from those sources and cited above.
We hold it to report on the AI industry, under the legitimate interest of journalistic reporting. You can ask us to correct it, restrict it, or take it down, and you can object at any time — no account needed, no reason required.
Claim or correct this profile Request removal How we handle personal data