GRENEWECA was established in February 1998 by 24 National Plant Genetic Resources Programmes of West and Central Africa in collaboration with FAO, IPGRI, IITA, WARDA, ICRISAT, and CORAF.The network is created under the Umbrella of CORAF. The Governance of the network is made up of a General Assembly, a Steering Committee and a Secretariat. IPGRI hosts the Secretariat in its West and Central African Office in Cotonou, Benin. The Steering Committee is composed with 9 elected members from National Programmes, one Representative of CG Centers operating in the sub region, FAO, CORAF and the Coordinator. The Steering Committee meets on annual basis to evaluate progress made and plan for the future. A set of diversified language speaking countries compose GRENEWECA:

Country Language bloc Benin French Burkina Faso French Cameroon French Congo French DRC French Cote D'Ivoire French Gabon French Guinea Conakry French Niger French Mauritania French CAR French Chad French Senegal French Togo French The Gambia English Ghana English Liberia English Nigeria English Sierra Leone English Cape Verde Portuguese Guinea Bissau Portuguese Sao Tome and Principe Portuguese Equatorial Guinea Spanish