Jan Cornelis Wolff is an experienced technician specializing in optical coatings, currently employed at TNO since September 2024. Previously, Wolff worked as a PVD Tool Engineer at QuTech, focusing on low-dimensional nano-scale semiconductor systems for applications in quantum information processing and opto-electronic devices. Wolff's career includes roles as a Vacuum Engineer and Medior Research Assistant at TNO, as well as a Laser Production Engineer at Lasertec BV, where responsibilities included laser engraving and quality control. Further experience includes positions as a Process Engineer at Else Kooi Laboratory and TU Delft, specializing in IC process development and various fabrication techniques, alongside a foundational role as a Research Engineer at the FOM Institute for Plasma Physics Rijnhuizen. Education credentials include an HBO degree in Applied Physics from Saxion University of Applied Sciences and a VWO degree from De Delta.