Didier Vallet is an experienced professional in the steel industry, currently serving as the Coordinateur Alliance Green Services France Nord and previously as Coordinateur achats at ArcelorMittal since July 2017. Vallet has an extensive background with ArcelorMittal Atlantique et Lorraine from August 1988 to July 2017, where roles included Support Manager, Plant Manager, and Senior Consultant. Achievements include leading multidisciplinary teams, implementing cost reduction programs, and driving operational transformations through Lean Manufacturing practices. Vallet holds a Diplôme d'ingénieur from Arts et Métiers - École Nationale Supérieure d'Arts et Métiers, earned between 1984 and 1987.
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