Personal Information

Full Name: Sebastian Siemiatkowski

Nickname: Sebastian

Country/State: Sweden

Date of Birth: 1981-10-15

Languages Known: Swedish, English

Zodiac Sign: Libra

Food Habit: Not publicly

Religion: Not public

Hobbies: Technology, entrepreneurship, traveling

Education

School: Not publicly

College: Stockholm School of Economics

Degrees Obtained: Master’s degree in Economics, Stockholm School of Economics

Physical Stats

Height: 175 cm

Weight: 73 kg

Family Information

Parents: Not Publicly Known

Siblings: Not publicly disclosed

Marital Status: married

Wife: Not Public

Children: 0

Career

Current Position: Co-founder and CEO of Klarna

Skills:

Net Worth: Estimated net worth: $2.5 billion (2025 estimate)

Awards & Achievements: Co-founder and CEO of Klarna, one of Europe’s largest fintech companies Recognized for his leadership in transforming the global payments space

Biography Details

Sebastian Siemiatkowski is the co-founder and CEO of Klarna, a global leader in payments solutions, focusing on providing seamless and innovative ways to pay. Born in Sweden, Siemiatkowski founded Klarna in 2005 with the vision of simplifying payments and revolutionizing the e-commerce industry. Klarna’s “buy now, pay later” service has grown into a widely used payment method across the globe. Under his leadership, Klarna became one of the most successful fintech companies in Europe, serving millions of customers and partnering with thousands of merchants. Siemiatkowski has been recognized for his leadership in fintech innovation, creating an ecosystem that offers customers flexibility, convenience, and trust in digital payments.

Social Media & External Links