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Alfredo Callejon has been working in the industry since graduating with a degree in Ingeniería from Universidad de Valladolid in 2000. Alfredo has held various managerial roles at Aludium and Alcoa, focusing on production management, quality assurance, product development, and environment, health, and safety. With their extensive experience in rolling, engineering, maintenance, and mechanical maintenance, Alfredo is a highly skilled professional in the industry.