1988 to date – Archbishop's delegate for Christian-Muslim dialogue.
1988-1993 – Founder/Editor of religious-cultural review KNISJA 2000 (CHURCH 2000)
1991 to date – Lecturer in the Faculty of Theology, the Faculty of Arts (Department of Philosophy, Department of Oriental Studies) – University of Malta.
1997 to date – Adjunct Professor of Theology at the Pontifical University of St. Thomas Aquinas, ROME.
1999 to date – Visiting Professor at the Pontifical Institute of Arabic and Islamic Studies, ROME.
2005 to 2009 – Member of the Committee for Relations with Muslims of the Council of European Bishops' Conferences.
2007 to 2013 – Consultor to the Pontifical Council for Interreligious Dialogue.
2011 to date - Chairman of the Commission for Interreligious Dialogue of the Archdiocese of Malta.