Ákos Kollwentz Position:Executive Director Phone:+36 20-365-3714 E-mail:[email protected]  Tímea Szűr Position:Water supply and sanitation Chief Engineer Phone:+36 30-984-5163 E-mail:[email protected]  Zoltán Kocsis Position:Chief Engineer Engineering Phone:+36 30-636-7791 E-mail:[email protected]  András Pfaff Position:Chief Engineer Technology Phone:+36 30-992-9958 E-mail:[email protected]