Koen Maas has diverse experience in various roles within the construction and hospitality sectors. Since November 2017, Koen has been working as a Werkvoorbereider B&U and Engineer at Plegt-Vos. Prior to this, Koen served as a Bedieningsmedewerker at Restaurant Naast de Markt, focusing on providing excellent customer service. Koen completed an internship as an Afstudeerstudent at BouwhulpGroep, conducting research on creating circular roof components. Previous positions include Verkoopmedewerker at Gamma Bouwmarkten, where technical advice was provided to customers; Stagiair assistent uitvoerder at Van Wijnen Groep NV, assisting in project management and problem-solving on-site; and Keukenhulp at Tapperij de Poortwachter. Koen holds a degree from HU University of Applied Sciences Utrecht and graduated from Koningin Wilhelmina College.