

Klarna Founder
1 episode on Diary of a CEO
Sebastian Siemiatkowski is the founder and CEO of Klarna, a Swedish fintech company that revolutionized the buy-now-pay-later (BNPL) industry. Under his leadership, Klarna grew from a startup to a unicorn valued at $46 billion, making it one of Europe's most successful tech companies and transforming how consumers approach online shopping and payments.