Victor Jacobsson

Victor Jacobsson was the third co-founder of Klarna, serving as the company's early Chief Technology Officer and architect of the proprietary risk engine that allowed the company to underwrite consumer loans without traditional credit bureau data. His defining moment was the development of the real-time fraud detection algorithms in 2007 that drastically reduced the company's charge-off rates, proving to skeptical merchants that the 'buy now, pay later' model could be financially sustainable at scale.

Victor Jacobsson co-founded Klarna in 2005, bringing the technical expertise required to build the complex financial infrastructure that underpinned the company's invoice factoring model. As the early CTO, Jacobsson was responsible for creating the proprietary underwriting algorithms that analyzed thousands of data points to assess consumer creditworthiness in milliseconds, a technological advantage that allowed Klarna to offer instant credit decisions at a time when traditional banks required days of processing. He left the company in 2010 to pursue other ventures, but his foundational work on the risk engine remains the core of Klarna's competitive advantage, enabling the company to process millions of transactions daily with industry-leading fraud detection rates. Jacobsson's contribution established Klarna as a technology-first financial institution, rather than a traditional bank with a website.