The talks were jointly mediated by AU Horn of Africa envoy Olusegun Obasanjo,[lower-alpha 1] former Kenyan President Uhuru Kenyatta,[lower-alpha 2] United States Horn of Africa envoy Mike Hammer, and former Deputy-President of South Africa Phumzile Mlambo-Ngcuka.[20][21][22] TPLF spokesperson Getachew Reda and Ethiopian national security advisor Redwan Hussein acted as the lead negotiators.[23] Though originally scheduled to last from 25–30 October, this was later extended by a few more days.[24]