About Professor Thiagarajan Sitharthan

I am an experienced Australian trained Senior Clinical Psychologist. I completed my training in Clinical Psychology from the University of Sydney (1985).

I have extensive experience in leadership roles across a variety of sectors as a senior clinician, clinical researcher, clinical trainer / supervisor, clinical programs director, service manager, administrator, and academic. 

My professional titles include Senior Clinical Psychologist (Royal Prince Alfred Hospital), Clinical Associate Professor (University of Sydney), Director of Clinical Programmes Development (WSAHS), and Professor of Clinical and Health Psychology (UWS), and Honorary Professor, Department of Psychiatry, Faculty of Medicine, University of Sydney.    

I work mainly with adults, the elderly, and adolescents who are experiencing a range of challenges in their lives. I provide non-judgmental compassionate care to patients when they need it most. My assessment and treatment approach are evidence-based, but highly tailored for every patient's specific requirement.  

I have visited the following Centers of Excellence to further my clinical, teaching, training, and research skills: Johns Hopkins University (Baltimore), Clarke Institute of Psychiatry (Toronto), Harvard University (Boston), Addiction Research Foundation (Toronto), Research Institute on Addictions (NY), and University of Hawaii.

As a researcher I have received over $6.5 million in grants and published in several International and Australian professional Journals which have a High Impact Factor , e.g., “Journal of Consulting and Clinical Psychology”, “Addiction”, “Journal of Affective Disorders”, “Cochrane Review”, “Current Opinion in Psychiatry”, “Behavior Therapy”, “Australian and New Zealand Journal of Psychiatry”, “Journal of Clinical Psychology”, “Australasian Science”, “Drug and Alcohol Dependence”, etc. Details available upon request.

I am passionate about disseminating health related information to the public. To-date, I have presented over 100 media interviews (in print media, radio, and TV); some examples: Sydney Morning Herald (17 August ’87), Sydney Morning Herald (30 March 1995), Daily Telegraph (13 June 1998), Australian Financial Review (23 August 2005), The Age (1 October 2005), Sydney Morning Herald (8 December 2005), Sydney Morning Herald (17 July 2008), Prevention Magazine (12 January 2011), Sydney Morning Herald (12 February 2011), The Age (31 December 2012), Sydney Morning Herald (6 January 2010), ABC TV 7.30 Report (9 May 2012). Details available upon request.

I have been an invited speaker at international conferences and professional meetings (over 100 presentations) in Australia and overseas (Norway, Canada, USA, Denmark, Mexico, India, Myanmar, and Malaysia).

Based on my vast experience over many years, I have been conducting training programs that are Evidence Based, Cost-Effective, and Culturally Relevant, mainly to students & trainees from health sciences, social sciences, education, and the workforce.

Professional Memberships: 

• Member Australian Psychological Society (APS)
• Fellow Division of Clinical Psychology, Australian Psychological Society (APS)
• Member American Psychological Association (APA)
• Member Division of Clinical Psychology, American Psychological Association (APA)
• Member Australian and New Zealand Association of Psychiatry, Psychology, and Law (ANZAPPL)
• Member Association for Scientific Advancement in Psychological Injury and Law – USA (ASAPIL)