Philip is a specialist pain medicine physician, and Director of the Pain Clinic and Professor in Pain Medicine at the University of Sydney. He has been working in the field of pain medicine for over 25 years and previously worked at the Phil siddallPain Management Centres at Royal North Shore and Royal Prince Alfred Hospitals. He is recognised internationally for his work in the field of pain management with many publications in scientific and medical journals, regular invitations to speak at national and international meetings and for six years was the Australasian representative on the international council of the International Association for the Study of Pain.

As well as his clinical work, he is an active researcher and teacher at the University of Sydney. Further information regarding his background, research interests and publications can be found through his profile pageat the University of Sydney.