Auxiliary Bishop of Sydney
In 2003, Pope John Paul II appointed him Auxiliary Bishop of Sydney. In that archdiocese he was Episcopal Vicar for Life and Health and Chairman of the Catholic Schools Board.
From 2003-2010 Bishop Anthony was Parish Priest of Our Lady Star of the Sea Parish, Watsons Bay. Since that time he has also been Deputy-Chancellor of the Catholic Institute of Sydney, Adjunct Professor in The University of Notre Dame Australia, and a member of the Company of the Australian Catholic University.
He was Co-ordinator of World Youth Day 2008 in Sydney. He was also Chair of the Catholic Education Commission of New South Wales from 2005 to 2015.