Gabriel Krier is a System Integrator at Pellenc ST, where responsibilities include the development and project management of sorting machines for the circular economy since February 2021. Prior to this, Gabriel served as an R&D Hardware Expert at IBA from August 2007 to February 2021, focusing on the architecture, specifications, testing, and validation of electromechanical devices for proton therapy. Gabriel co-founded Exolandia, a web-based gaming company, in January 2004 and undertook a student job at ST Microelectronics in 2006, contributing to the integration of clock gating technology for Bluetooth chip testing. Gabriel holds an Ir degree in Electromechanical Engineering from the École polytechnique de Louvain - Louvain School of Engineering, completed in 2007.