Maarten Demeyer is a credit risk modelling and strategy lead with 12 years of experience applying full-stack data science across consumer lending, retail marketing and logistics. He combines a PhD-backed analytical rigour with hands-on expertise in R and Python to design, deploy and monitor production credit models and decisioning strategies across GCP, AWS, Azure and Databricks. Comfortable from ideation to model governance, he has repeatedly led teams, mentored analysts and translated complex risk insights into actionable origination and in-life strategies for Retail and SME products. As a consultant and director he blends delivery-focused engineering with stakeholder management, often building the data engineering and MI infrastructure that makes models operational. His background in experimental psychology gives him an edge in causal thinking and robust evaluation of model behaviour under shifting conditions. Based in Sheffield, he now splits time between leading risk at Starling and running data-science consultancy work, bringing both product and advisory perspectives to risk problems.
12 years of coding experience
11 years of employment as a software developer
Bachelor’s Degree, Psychology, Bachelor’s Degree, Psychology at KU Leuven
Doctor of Philosophy (Ph.D.), Experimental Psychology, Doctor of Philosophy (Ph.D.), Experimental Psychology at University of Leuven
High School, Greek-Latin, High School, Greek-Latin at Sint-Jan Berchmanscollege Genk
Contributions:5 PRs, 42 pushes, 7 branches in 4 months
pythonleaddata-sciencemachine-learningscientist
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Maarten Demeyer - Credit Risk Modelling & Strategy Lead