The founding members of this group also include GraÃ a Machel , Kofi Annan , Ela Bhatt , Gro Harlem Brundtland , Jimmy Carter , Li Zhaoxing , Mary Robinson and Muhammad Yunus . The founding members of this group also include GraÃ a Machel , Kofi Annan , Ela Bhatt , Gro Harlem Brundtland , Jimmy Carter , Li Zhaoxing and Muhammad Yunus .