Appointed as Feyenoord's Technical Director
Following his retirement from playing football, Joris Mathijsen took on a new role in football management, becoming the technical director of Willem II on June 1, 2015. In this position, Mathijsen was responsible for overseeing the club's technical and football operations, utilizing his extensive experience and knowledge of the game to help shape the club's future. His appointment was part of a broader strategy to strengthen Willem II's competitive standing in Dutch football, focusing on player development and recruitment to build a strong team. Mathijsen's transition from player to director was seen as a natural progression, given his leadership skills.