Okan Sahin possesses a solid background in civil engineering, holding a Master's degree from Université Grenoble Alpes. Currently serving as Directeur de travaux at HRS Real Estate AG since February 2023, Okan has previously held positions such as Aide poseur at Vitale and Assistant conducteur de travaux at Carré de l'Habitat, where responsibilities included monitoring construction sites, ensuring schedule adherence, and coordinating subcontractor interventions. Early experience includes a building worker internship at Dallamano construction, contributing to the construction of a residential project. Okan's educational journey also includes a Licence from Université d'Artois and a DUT from IUT Nord Franche-Comté in sustainable construction.