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Founder Profile

Niklas Adalberth

Last reviewed: October 2026 · By Swet Parvadiya

Who is Niklas Adalberth?

Niklas Adalberth is a founder of Klarna Group plc, which was founded in 2005 with Sebastian Siemiatkowski and Victor Jacobsson.

Company founded
Klarna Group plc
Founded
2005
Co-founders
Sebastian Siemiatkowski and Victor Jacobsson

Background

Adalberth co-founded Klarna in 2005 and served as Deputy CEO before stepping back in 2015.

Founding Story

Niklas Adalberth co-founded Klarna in 2005 with Sebastian Siemiatkowski and Victor Jacobsson and helped run the business during its expansion as Deputy CEO. After leaving his operating role he founded the Norrsken Foundation in Stockholm, which backs impact-driven entrepreneurs.

Niklas Adalberth was born in 1981 in Gottsunda parish. Education: Stockholm School of Economics.

Gustav Erik Niklas Adalberth was born in 1981. In 2016 he founded the Norrsken Foundation, a social impact organisation.

Sources

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.