Geert-jan Besjes
Principal at BCG X
Vienna, Austria
Summary
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Senior🎓
Top SchoolGeert-jan Besjes is a Principal at BCG X and Boston Consulting Group with 14 years of experience translating advanced statistical and AI methods into decision-ready solutions for clients. He combines deep physics and statistical training (PhD in particle physics) with hands-on leadership in GenAI and data science, having progressed from research fellow at CERN to senior and lead data scientist roles. Known for building novel statistical software used by large collaborations, he brings a rare ability to turn complex analyses into reproducible, team-scalable workflows. At BCG he bridges technical execution and strategic impact, leading cross-functional teams to deploy ML solutions in enterprise settings. Based in Vienna, he pairs academic rigor with consultancy pragmatism and a track record of supervising and mentoring researchers and engineers. A detail that often surprises clients: his background includes coordinating large, multinational scientific teams and delivering tools that enabled 100+ published results.
13 years of coding experience
11 years of employment as a software developer
Doctor of Philosophy (PhD) Physics, Doctor of Philosophy (PhD) Physics at Radboud University
German, English, French, Danish, Dutch
Github Skills (9)
atlas4
high-energy-physics4
python4
pythonic3
numpy2
physics2
scikit-learn2
proton2
scipy2
Programming languages (2)
Github contributions (5)
histfitter/histfitter
Jun 2012 - Jan 2018
Contributions:505 commits in 5 years 7 months
gbesjes/TriggerValidation
Sep 2015 - May 2017
Contributions:1 PR, 20 pushes, 1 branch in 1 year 8 months
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