Ambassador Hüseyin Avni Bıçaklı (Turkish national) is ECO Deputy Secretary General (since November 2018) in charge of Energy, Minerals and Environment (EME) Directorate; Administration and Management Section; IT Section and International Relations Section.

Mr. Kanan Nazarov (Azerbaijani national) is ECO Deputy Secretary General (since 2016) in charge of Transport and Communications (T&C) Directorate; Human Resources and Sustainable Development (HRSD) Directorate and Coordination and Follow-up Section.

Dr. Sayed Yahya Akhlaqi (Afghan national) is ECO Deputy Secretary General (since July 2019) in charge of Trade and Investment (T&I) Directorate and Agriculture and Industry Directorate.

Ambassador Jandos Asanov (Kazakh national) is ECO Deputy Secretary General (since 1 February 2020) in charge of Tourism Directorate; Project Management Section; Judicial and Parliamentary Coordination and ECO Advocacy Programme for Afghanistan Section.