Jean-Marc Germain is a distinguished executive with over three decades of experience in the global metals and aerospace sectors. His career began in engineering and operations roles at major aluminum producers, where he honed his expertise in manufacturing optimization and strategic growth. Prior to joining Constellium, Germain served as Vice President of Strategy and Business Development at Rio Tinto Alcan, playing a pivotal role in key acquisitions and market expansions that positioned the company as a leader in lightweight materials for aerospace and automotive applications. Appointed Chief Executive Officer of Constellium SE Class A in 2013 upon the company's formation from the merger of Alcan Engineered Products and Rio Tinto Alcan's packaging business, Germain led the organization through its successful initial public offering on the New York Stock Exchange and Euronext Paris. Under his stewardship, Constellium achieved significant milestones, including revenue growth exceeding 20% annually in key segments, expansion into sustainable aluminum solutions, and strengthened partnerships with major OEMs in aviation and packaging. His visionary leadership emphasized innovation, operational excellence, and environmental responsibility, transforming Constellium into a global powerhouse in advanced aluminum products. Germain stepped down as CEO in 2021 after eight years at the helm, leaving a lasting legacy of financial resilience and strategic positioning for future growth. His tenure not only navigated the company through volatile commodity markets but also solidified its reputation for delivering high-performance, recyclable materials critical to the energy transition and lightweighting trends in transportation.