Management & Departments Board of Directors Zone Director Directors Machinary and Energy Department Environmental Management System Department Zoning and Construction Department Construction Management Department Finance and Accounting Department Fire and Security Department Human Resources and Organizational Development Department Administrative Affairs Department Purchasing Department IT Department Waste Water Facility Laboratory Unit Sustainability and Business Development Department Legal Consultancy Management Representation Energy Management Zoning and Construction Directorate Construction Management Department Mehmet SUBAŞIConstruction Superstructure Supervisor0 282 758 11 56 - 3210 - 3211m.subasi@cosb.org.trAhmet ERŞİNConstruction Infastructure Supervisor0 282 758 11 56 - 3310 - 3311a.ersin@cosb.org.tr