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Jérémy Olivier is a data scientist at Groupe Mutuel since August 2023, focusing on optimizing fraud detection through advanced data analytics and collaboration, utilizing Spark on Databricks for large dataset manipulation. Prior experience includes a data science internship where Jérémy leveraged explainable AI to provide actionable insights and developed custom visualization libraries for the marketing department. Earlier roles include substitute teaching for primary school pupils in the Canton of Vaud, tutoring at Vaud Youth Aid Center, and assisting a psychologist at PsychoStrategie SA. Jérémy's educational background includes a Master of Science in Management with a specialization in Business Analytics from the University of Lausanne, alongside degrees in Information Technology and Management from 42 Lausanne, University of Exeter, and University of Lausanne.