Metropolitan Prof. Dr Gennadios of Sassima (Limouris) of the Ecumenical Patriarchate of Constantinople is a professor of Orthodox theology and canon law in various universities. He was a vice-moderator of the WCC’s Faith and Order Commission from 1998-2006. He is co-president of the Joint International Theological Dialogue between Orthodox and Lutheran, co-secretary and member of the Joint International Commission for Theological Dialogue between Orthodox Church and the Roman Catholic Church, co-chairman of the Orthodox and Methodist and Baptist theological preparatory committees.
He is also a member of the presidium and of the central committee of the Conference of European Churches (CEC). He has been a member of the WCC executive and central committees since 2002. From 1983-93, he was a staff member of the WCC's Faith and Order secretariat in Geneva.