Dietmar Dreyer is the sales manager for construction dewatering and rental (Germany, Austria, Switzerland) at Sulzer Pumps Wastewater Germany GmbH, based in Isernhagen (Hanover), Germany. He has focused on concepts for pump supply and application for the tunnel construction industry since he joined Sulzer in 2006. With his team at Sulzer he has continuously developed the largest pump rental network in Germany and Austria. For more information, visit