SS
Sebastian Siemiatkowski CEO
CEO and Co-Founder
ON RECORD US
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7.2
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Career Highlights
Awards & Recognition
Fortune 40 Under 40 in Finance (2020)
Forbes 30 Under 30
Listed as one of Sweden's 'five unicorns' by Minister of Enterprise and Innovation
Notable Facts
Co-founded Klarna in 2005 at age 23 with two friends he met at Burger King
Led company from startup to $45.6 billion valuation at peak, now public at $19 billion
Former billionaire (2021-2022) with estimated $3.2 billion net worth at peak
Successfully led Klarna's IPO in September 2025, largest IPO of the year on NYSE
Pioneer of Buy Now Pay Later (BNPL) industry serving 100M+ customers globally
Regularly speaks at major conferences and appears on Bloomberg, CNBC
Angel investor with 17 documented investments in startup companies
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