Raj is a Professor of Oral Medicine/Oral Oncology, Acting Deputy Head of School (Research), Higher Degree Research (HDR) Convenor, Discipline Head of Oral Medicine, Oral Pathology and Human Diseases at Griffith University and Oral Oncology Consultant, Department of Haematology and Oncology (Cancer Services), Gold Coast University Hospital (GCUH), Queensland Health, Gold Coast, Australia. He is a member of Cancer Research group of Menzies Health Institute Queensland. Raj is an educator who convenes university courses in the discipline of oral medicine, oral pathology, and internal medicine and contributes to the education of specialist trainees and nurses at the hospital. He is Honorary Associate Professor at the University of Queensland, Brisbane, Australia. He has received his oral medicine/oncology clinical training as a fellow at Harvard and affiliated hospitals, USA and from the University of London, UK and research scholarship recipient, Centre for Blood Disorders, Harvard Medical School. He obtained his PhD from the University of Hong Kong in 1996. He was awarded membership in the special stream of Oral Medicine by the Royal Australasian College of Dental Surgeons (RACDS) in 2008. He is an internationally renowned clinician and researcher in the fields of oral medicine, oral oncology and orofacial supportive care and the management of cancer patients on chemotherapy, radiation therapy, and hematopoietic stem cell transplantation. He has over 100 publications and book chapter contributions. Internationally, he has served as an invited speaker and presenter of numerous scientific research papers in the past two decades. His current research projects include microbiome and cancer and international multi-centre studies on photobiomodulation (PBM) in cancer-therapy induced complications and burden of illness especially oral mucositis and other complications amongst cancer patients in partnership with universities in the USA and Europe. He is a member of International Society of Oral Oncology (ISOO), Multinational Association of Supportive Care in Cancer (MASCC), American Academy of Oral Medicine, Harvard Club of Australia and International Association for Dental Research. He serves as invited consultant at international consensus bodies such as World Workshop in Oral Medicine, World Workshop in Oral Health and Diseases in AIDS. He was a director-councillor of the RACDS and currently director board member of ISOO and IADR oral medicine/pathology section and founding board member of International Group in Light in Oncology-Barcelona (iGLOB). He is chair of PBM in cancer working group and chair of the PBM study group/mucositis study group of MASCC.
