Maarten van Ark Director Andrew Knevel General manager Floris van de Stadt Accountmanager Naomi van der Marel Accountmanager Dirk de Leeuw Accountmanager Daniël van den Bos Accountmanager Hetty van Capelleveen Financial administration Nayomi van de Bunt Support The construction industry is founded on concrete agreements. Reliability, pride & great results – that’s what the JS team stands for.