Joseph Camilleri has been actively involved in the Pax Christi movement since 1969. He served as General Secretary of Pax Christi in England in 1970-72, facilitated the establishment of Pax Christi in the United States, and was the founding President of Pax Christi in Australia from 1974, a position he held for over 30 years. He continues to serve on the Executive Committee of the Victorian branch.
A series of 10-week and 6-week courses offered each year with the aim of developing better community understanding of the dynamics of a rapidly globalising world and Australia's place in it.
Each year the course attracted between 35 and 70 participants, most of them working in education, government, the professions, media, and religious and community organisations, as well as a number of students.
Between 12 April and 8 May 2009, Joseph Camilleri led a Centre for dialogue delegation to the Middle East. The other two members were Research Fellows, Dr Michális S. Michael and Dr Luca Anceschi.
Worlds in Transitionby Joseph A. Camilleri and Jim Falk was launched on 13 April 2010 by The Hon Michael Kirby, former Justice off the High Court of Australia, Professor Stuart Macintyre (University of Melbourne) and Professor Dennis Altman (La Trobe University).
Professor Camilleri presented a paper at the Symposium on 'Ecology and Peace: Responding to the Ethos of Domination'. The symposium was held at Trinity College, University of Melbourne.