Who Is Sebastian Siemiatkowski? Age, Biography and Wiki
Sebastian Siemiatkowski, born on October 3, 1981, is a prominent Swedish entrepreneur renowned for co-founding Klarna, a leading payment solutions provider. As of 2025, he is 43 years old. Siemiatkowski has built a reputation in the fintech industry, bridging the gap between e-commerce and consumer finance.
His journey began with a vision to simplify online shopping, and through relentless dedication and innovation, he transformed Klarna into one of Europe's most valuable fintech companies. The company aims to provide seamless payment experiences, and under his leadership, it has expanded its offerings significantly over the years.
| Occupation | Entrepreneur |
|---|---|
| Date of Birth | October 3, 1981 |
| Age | 43 Years |
| Birth Place | Sweden |
| Horoscope | Libra |
| Country | Sweden |
Popularity
Sebastian Siemiatkowski's Popularity over time
Height, Weight & Measurements
While Sebastian Siemiatkowski maintains a relatively private lifestyle, it is estimated that he stands at approximately 6 feet (183 cm) tall. His weight is estimated to be around 176 lbs (80 kg), although specific figures detailing his body statistics are not publicly available. Recognized for his charismatic presence, Siemiatkowski blends professionalism with a relaxed demeanor, making him approachable in various business circles.
Family, Dating & Relationship Status
As of 2025, Sebastian Siemiatkowski is reportedly in a committed relationship, although details about his partner remain under wraps. He has chosen to keep his personal life relatively private, focusing more on his professional endeavors. Siemiatkowski shares a close bond with his family, often citing their support as a critical factor in his career success. He is known to be a dedicated family man and values the importance of work-life balance.
Net Worth and Salary
Sebastian Siemiatkowski's net worth is estimated to be around $400 million as of 2025, largely attributed to his role in Klarna's exponential growth. The company has raised significant investment from various venture capitalists, leading to its successful valuation. Siemiatkowski’s impressive earnings also include his salary as CEO, which reflects his influential position in the fintech industry.
Sebastian Siemiatkowski (also spelled Sebastian Siemiątkowski; born 3 October 1981) is a Swedish entrepreneur who is the co-founder and chief executive officer of fintech company Klarna. In 2022, his net worth was estimated at $3.2 billion as Klarna's valuation increased although he is (as of 2025) no longer a billionaire.
Career, Business and Investments
Sebastian Siemiatkowski’s career is marked by his drive for innovation in the payment solutions sector. After founding Klarna in 2005, he played an instrumental role in its ascent to becoming a household name. Klarna's success hinges on its unique business model, which offers hassle-free payment options to consumers and trusted services to merchants.
Beyond Klarna, Siemiatkowski actively invests in promising startups, particularly within the tech and fintech sectors. His keen insight into emerging market trends places him on the radar of many venture capitalists and entrepreneurs who seek his guidance.
Siemiatkowski considers himself as a second generation immigrant. His early influences were Richard Branson and Ingvar Kamprad, founder of IKEA. Siemiatkowski credits the Swedish digital policy of subsidizing the ownership of computers for his success because it allowed his family to acquire their first computer.
Social Network
Sebastian Siemiatkowski engages actively on social media, utilizing platforms like LinkedIn and Twitter to share insights on entrepreneurship, technology, and finance. His online presence allows him to connect with industry peers and provide mentorship to aspiring entrepreneurs. He often shares updates on his professional journey, raising awareness about the fintech industry and advocating for digital transformation.
Education
Sebastian Siemiatkowski attended the Stockholm School of Economics, where he earned a degree in Business Administration. His academic background laid the foundation for his future ventures in entrepreneurship. Throughout the years, he has continued to seek opportunities for personal and professional development, participating in various executive education programs and industry events.
