Jeroen Visjager is a seasoned professional in materials development and operations, currently serving as Sr. Director of Materials Development at ZymoChem since April 2024. Prior experience includes Vice President of Scale-Up & Deployment at one • five, where leadership focused on manufacturing strategies for flexible paper-based packaging, and Director of Operations for EMEA at Bolt Threads, a bio-materials innovation company. Jeroen's career features various roles in research and product development across notable companies such as SIPCHEM, INVISTA, Michelman, SABIC, and Ticona, with a strong emphasis on sustainable materials and commercialization strategies. Educated with a PhD in Material Science from ETH Zürich and an MSc in Chemical Engineering from Eindhoven University of Technology.