On 16 October 2025, Ambassador Jestas Abuok Nyamanga participated in a consultative meeting of the Group of Ambassadors of the East African Region of the Organisation of African, Caribbean and Pacific States (OACPS). The meeting was convened and chaired by H.E. Eshete Tilahun, Ambassador of Ethiopia in Brussels, in his capacity as Chair of the Group.

Held at the Embassy of Ethiopia in Brussels, the meeting provided a platform for the Ambassadors to exchange views on strategic issues of mutual interest, particularly those aimed at strengthening coordination and advancing the collective engagement of the Group within the OACPS framework and in its relations with the European Union.