Mark Rotteveel is an enthusiastic advisor in circular water systems. From his role at the Ginkel Group, he combines circular water management with greening strategies, exploring how to create healthy, green cities where green spaces can thrive with a guaranteed water supply. Additionally, he is the initiator of the Circular Water System Pilot for Private Residences. In collaboration with various government entities, water organizations, and suppliers, he is testing, measuring, and researching an extensive circular water system in his own home to determine its scalability to the street or neighborhood level.