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Guillaume Jecker is an experienced purchasing professional with a robust background in international procurement and project management. Currently serving as an International Purchaser at Jet Aviation, Guillaume specializes in sourcing parts for private jet maintenance and refurbishment, focusing on Gulfstream, Bombardier, and Embraer aircraft. Prior experience includes strategic purchasing roles at Liebherr Group, handling a significant portfolio for crawler excavator components, and a position at GE Power as a Strategic Sourcing Specialist, where negotiations with international suppliers were key. Guillaume's career began with hands-on roles in electrical and industrial design work, complemented by a strong educational foundation in international purchasing and project management from KEDGE Business School and in&ma.