Psychology for

changing bodies 


Here at BodyChanges we provide Clinical Psychology assessment and support to people who are about to undergo, or who have already had, weight-loss surgery. We also provide counselling and coaching interventions for individuals who wish to lose weight by non-surgical means. We see patients in Strathfield, Bankstown, Annandale, and Double Bay.

About Us

Dr. Cal Paterson FACPA

Cal is a Clinical Psychologist who has been working in the field of Psychology since 1997. After completing an honours degree in Science (Psychology) at UNSW, Cal began work at Rydalmere hospital, working in behavioural interventions with severely disabled adults in institutional care. Since then Cal has worked in government and NGO settings, education, and in private practice with diverse groups including children, families, couples, and adults, providing interventions and support for mental health conditions, chronic health conditions and other areas of psychology practice. 

In 2007 Cal was awarded a doctorate of Psychology (Clinical) from Macquarie University. Cal's thesis, titled "Great Expectations: Applying Common Factors theory to practice in Psychotherapy" was presented in part at the annual conference of the International Society for Exploration of Psychotherapy Integration in Lisbon, Portugal in 2006. Cal has presented papers, seminars and workshops in Australia and overseas in topics ranging from intellectual disability family therapy, to principles of couple therapy, to Psychological intervention for Chronic Health Conditions. 

Cal is an AHPRA-registered Clinical and Supervising Psychologist, a Founding Member of the Australian Clinical Psychology Association, A member of the International Society for the Exploration of Psychotherapy Integration, and an associate member of the Obesity Surgery Society of Australia and New Zealand.

Cal started BodyChanges in 2011 as a Psychology service for patients undergoing bariatric (obesity) procedures. Since then the practice has provided support to hundreds of people with weight loss or management or other issues associated with chronic health conditions. Cal also works as an individual and couple psychotherapist and is co-owner of The Calliope Therapy Centre in Annandale. 

Amanda Callaghan MAPS

Amanda is a Clinical Psychologist who has been working in health settings since 1999.  Amanda gained an honours degree in Arts (Psychology) in 1997 followed by a Master’s degree in Clinical Psychology from the University of New South Wales in 1999. A successful internship at The Albion Centre, Australia’s largest HIV health service in Australia, sparked a passion in Amanda and led to full-time employment. Over a number of years, Amanda provided a wide range of psychological and counselling treatments to adults affected by HIV, participated in research trials, and facilitated training programs for health care workers in the sector. Amanda also worked in a neurobehavioral brain injury unit in the UK on a 2 year travel and work adventure, establishing the role of Clinical Psychologist in that service. She also implemented comprehensive neurobehavioral rehabilitation programs and mental health treatments for adults with brain injury during that time. Amanda has completed further training in mood disorders, cognitive and behaviour therapies, perinatal mental health and ACT. Amanda started working with BodyChanges in 2015 as a consulting Clinical Psychologist with patients undergoing bariatric (obesity ) procedures. 

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