Greg is Emeritus Professor and Deputy Vice Chancellor at Group Colleges Australia (GCA), and Executive Director of the GCA Board. Formerly, he was Chair of the Academic Board at the Australian Institute of Music and Dean of the College at Western Sydney University. In 2000, he co-invented 'The Virtual Conservatorium' and has since found himself involved in the development of the virtual school. He is a prolific author in academic journals and books and in industry journals.