From 1998 to 2006 he was a member of the Central Committee of the World Council of Churches .
From 1998 to 2006 he served as moderator of the planning committee for the 9th Assembly of the WCC , held in Porto Alegre , Brazil in February 2006 .
From 1998 to 2006 he was a member of the Central Committee of the World Council of Churches and served as moderator of the planning committee for the 9th Assembly of the WCC , held in Porto Alegre , Brazil in February 2006 .