Gieljan Engelrelst is an experienced program and project manager with a focus on R&D in aluminium recycling processes at Constellium since December 2018, where responsibilities include market research, opportunity identification, technology validation, and risk assessment. Previous roles at Constellium involve leading business planning processes and managing the S&OP process across global teams. Prior to Constellium, Gieljan held project management positions at ABB and BOMBARDIER, managing railway projects and leading cross-functional teams. Gieljan's early career included engineering internships and graduate trainee roles, emphasizing production engineering and performance management. Gieljan holds a Master of Science in Industrial Engineering & Operations Research from Ghent University and a Master of Applied Engineering Sciences in Electromechanics/Automation from HOGENT.