News Winnie Byanyima named to lead UNAIDS Winnie Byanyima, a humanitarian activist who heads Oxfam International, was appointed to serve as executive director of UNAIDS. By Arete News - August 14, 2019 Winnie Byanyima, the new executive director of UNAIDS (AN/OXFAM International) You need to login to view this content. Please Login. Not a Member? Join Us