Guillaume Maes is currently the Rolling Stock Director at RATP Dev, a position they have held since 2025. Previously, they served in various roles at RATP from 2009 to 2011, including Project Manager for the MP05 rolling stock and Head of Procurement for the railway rolling stock department. They also have experience in maintenance logistics and quality control within the railway sector. Guillaume holds a degree in engineering with a specialization in railway transport from Ecole supérieure des Techniques aéronautiques et de Construction automobile, where they graduated as valedictorian in 1998, and is currently pursuing a certificate in procurement management from ESCP Europe.
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