Services Sales ManagersOur suite of integrated construction services ensure the highest degree of quality, safety, efficiency and innovation on your projects. Nikita Drozdovskiy Regional Sales Manager+90 546 216 54 90nikita.drozdovskiy@zenith-rsm.com Erhan Ergün Regional Sales Manager+90 546 199 11 16erhan.ergun@zenith-rsm.com Stepan Kozlov Regional Sales Manager+90 546 216 54 87stepan.kozlov@zenith-rsm.com Alexander Leonidov Regional Sales Manager+90 546 216 5492alexander.leonidov@zenith-rsm.com