Peter Tegelaar
Fractional Chief AI Officer Financial Services Growth-Stage Companies at sorbet
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolPeter Tegelaar is a Berlin-based technology leader who helps fintechs, banks, and growth-stage startups harness AI with speed and precision. As a Fractional Chief AI Officer, he designs agentic AI workflows, shapes data architectures, and guides make-vs-buy decisions in regulated financial services. He has led AI and data science at scale for Klarna and Catawiki, delivering impact in fraud reduction, credit risk decisioning, pricing, and revenue optimization. At Stenn Technologies, he built an AI & Decision Science function and deployed real-time decisioning, LLM-based document checks (60%→99% accuracy), OCR pipelines, and AI-powered fraud detection. Earlier leadership roles, including founder and mentor experiences, underpin his ability to translate AI capabilities into auditable business value. He combines strategic clarity with hands-on execution and thrives in high-stakes, regulated environments.
11 years of coding experience
11 years of employment as a software developer
The University of Hong Kong (HKU)Bachelor of Science (B.Sc.), Mathematics, Thesis: 9.0/10.0, Bachelor of Science (B.Sc.), Mathematics, Thesis: 9.0/10.0 at University of AmsterdamBachelor of Science (B.Sc.), Economics and Business, Thesis: 8.5/10.0, Bachelor of Science (B.Sc.), Economics and Business, Thesis: 8.5/10.0 at University of Amsterdam Business SchoolYC W10, YC W10 at Y CombinatorAlkwin Kollege
Dutch, English, German
Github Skills (7)
sec4
python3
financial3
finance3
data-science2
machine-learning2
quantitative-finance1
Programming languages (2)
Github contributions (4)
ptegelaar/reflections
Nov 2014 - Dec 2014
Contributions:38 commits in 10 days
udacity/create-your-own-adventure
Dec 2014 - Dec 2014
This is example repo illustrates the concept of a "Pull Request", created as part of the course How to Use Git and GitHub
Contributions:2 commits in 1 day
pull-requestspull-requestexample-reporequest
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