Nov. 7, 2019 (DJIBOUTI, Djibouti): The new Executive Secretary of the Intergovernmental Authority on Development (IGAD), H.E. Dr Workeneh Gebeyehu, today took over duty from Amb. (Eng.) Mahboub Maalim following the signing of a Certificate of Handing Over at the secretariat of the regional organisation in Djibouti.