"Convergence for Social Democracy" redirects here. For the Burkinabé political party, see Convergence for Social Democracy.Convergence for Social Democracy (Spanish: Convergencia para la Democracia Social, CPDS) is the only major opposition party in Equatorial Guinea.The CPDS is headed by a President and a Secretary-General, who are currently Santiago Obama Ndong and Andres Esono Ondo, respectively.