Sebastian Siemiatkowski Net Worth (Updated 2025).
Sebastian Siemiatkowski, a Polish-born entrepreneur, kicked off his career in the bustling tech scene of London. After graduating from the London School of Economics with a degree in Finance, he didn’t follow the traditional path of his peers. Instead, he chose to dive into the then-nascent world of fintech, a decision that would eventually propel him to fame.
In 2010, Siemiatkowski co-founded a company called Klarna, a revolutionary payment provider that allowed customers to shop now and pay later. This innovative concept quickly gained traction, and under his leadership as CEO, Klarna expanded rapidly, becoming one of Europe’s most valuable private fintech unicorns.
Table Of Contents
Sebastian Siemiatkowski’s Current Net Worth (2025)
As of 2025, Sebastian Siemiatkowski’s net worth is estimated to be around $2.5 billion, according to Forbes. This significant wealth can be largely attributed to his successful fintech company, Klarna.
Career
Sebastian Siemiatkowski, a Polish entrepreneur, co-founded Klarna in 2005. Initially a small startup, Klarna has grown into one of Europe’s most valuable private companies, offering ‘buy now, pay later’ services. Siemiatkowski served as the CEO until 2020, stepping down to become the chairman of the board.
Other Ventures
Besides Klarna, Siemiatkowski has invested in several other startups and ventures. He’s a backer of the music streaming service Spotify and has also invested in the digital bank Revolut. Additionally, he’s a co-founder of the venture capital firm Creandum.
Assets
Siemiatkowski’s assets primarily consist of his stake in Klarna, which is estimated to be around 7% as of 2021. He also owns properties in Sweden and Poland, including a luxurious apartment in Stockholm. His art collection, which includes works by prominent artists like Banksy, is another notable asset.
Annual Income
While Siemiatkowski’s exact annual income is not publicly disclosed, as of 2021, his compensation from Klarna included a base salary of $500,000, along with other forms of remuneration. However, since stepping down as CEO in 2020, his annual income from Klarna has likely decreased.
Frequently Asked Questions about Sebastian Siemiatkowski
**Sebastian Siemiatkowski Net Worth FAQs**
1. What is Sebastian Siemiatkowski’s net worth?
Sebastian Siemiatkowski’s net worth is estimated to be around $1.5 billion.
2. How did Sebastian Siemiatkowski make his fortune?
Sebastian Siemiatkowski co-founded the global e-commerce company, Klarna, in 2005. He served as the CEO until 2022 and is currently the chairman of the board.
3. What is Sebastian Siemiatkowski’s role at Klarna?
Sebastian Siemiatkowski is the chairman of the board at Klarna, a position he took up in 2022 after stepping down as the CEO.
4. When was Klarna founded and by whom?
Klarna was founded in 2005 by Sebastian Siemiatkowski, Niklas Adalberth, and Victor Jacobsson.
5. How has Sebastian Siemiatkowski’s net worth changed over time?
Sebastian Siemiatkowski’s net worth has significantly increased over the years, primarily due to Klarna’s growth and success. However, the exact figures vary and are not publicly disclosed.
6. What other investments does Sebastian Siemiatkowski have besides Klarna?
Sebastian Siemiatkowski has invested in various other companies, including Spotify and iZettle, but the details of his personal investments are not publicly available.
7. How does Sebastian Siemiatkowski use his wealth?
Sebastian Siemiatkowski is known for his philanthropic efforts. He has signed The Giving Pledge, committing to donate at least half of his wealth to charitable causes.
8. What is The Giving Pledge and why did Sebastian Siemiatkowski sign it?
The Giving Pledge is a campaign started by Bill Gates and Warren Buffett encouraging wealthy individuals to donate at least half of their wealth to philanthropic causes. Sebastian Siemiatkowski signed the pledge in 2021, stating that he wants to use his wealth to address global challenges.
9. What is Sebastian Siemiatkowski’s education background?
Sebastian Siemiatkowski holds a Master’s degree in Business and Economics from the Stockholm School of Economics.
10. What are some of Sebastian Siemiatkowski’s awards and recognitions?
Sebastian Siemiatkowski has received several awards, including being named one of the “World’s 100 Most Influential People” by Time magazine in 2021, and being awarded the “Entrepreneur of the Year” by Ernst & Young in 2017.
