Professional Advisory Body

Our Professional Advisory Body is integral to our advocacy activities, and informs and supports our service delivery options. The Body meets to provide advice and offer solutions to ADHD WA about its services, initiatives, and future plans. The Advisory Body is committed to:

  • Providing opportunities for members to raise issues of concern, and exploring possible solutions.
  • Acknowledging challenges and celebrating strengths associated with an ADHD diagnosis.
  • Developing a range of services to inform, support, and advocate for the ADHD community in Western Australia.

Current Professional Advisory Body members

Dr Roger Paterson

Chair of the Professional Advisory Body

I provide assessment and treatment of ADHD in teenagers and adults, starting at about 16 and continuing into later life as needs be. I am in full-time private practice in Nedlands. My focus is on medication treatment and I liaise closely with colleagues who provide the essential aspects of a multimodal treatment approach e.g. psychologists…

View Bio for Dr Roger Paterson
Chair of the Professional Advisory Body

Dr Michele Toner

OAM, ADHD WA Management Board Chair, Member of ADHD WA Professional Advisory Body, ADHD Coach and Consultant. Michele has been supporting people with ADHD since 1995 through ADHD WA, and currently serves on the Board and PAB. She has completed a PhD in the field of ADHD. Aside from her academic qualifications Michele’s coach training…

View Bio for Dr Michele Toner

Sylvia Byers

Sylvia Byers is an educator currently working with students, their parents, teachers and allied health professionals. Some of these students experience school related difficulties due to attention deficit hyperactivity disorder. Sylvia believes in the importance of a team approach to teaching/learning situations so that the child has the best opportunity to achieve. This belief is…

View Bio for Sylvia Byers

Dr Murray Chapman

Dr Murray Chapman is a private psychiatrist based at Salvado Clinic in Subiaco. Originally from the UK, he has lived and worked in WA for 20 years, initially in the Kimberley, before moving to Perth in 2016. He has specialist interest in ADHD, ASD and Addictions, and has a large practice focusing on these areas.…

View Bio for Dr Murray Chapman

Derek Cohen

Derek Cohen has been working with children and families for nearly 40 years. He trained as a clinical psychologist in South Africa, entering private practice to specialise in child development in 1983. He migrated to Australia in 1987. Initially accepting a position at the Royal Prince Alfred Hospital in Sydney, the lure of sunsets over…

View Bio for Derek Cohen

Ms Louise Wichmann

I am a qualified pharmacist with years of  experience working as a clinical pharmacist at Fiona Stanley Hospital in Western Australia. I have a lot of experience with ADHD and its treatment. I frequently recommend therapy for and counsel patients with ADHD, including answering any questions they have regarding their ADHD medication. I also educate…

View Bio for Ms Louise Wichmann

Professor Stephen Houghton

Professor Stephen Houghton is Professor and Director of the Child and Adolescent Mental Health and Wellbeing Research Clinic at The University of Western Australia and a Visiting Professor at the University of Strathclyde, School of Psychological and Health Sciences, Glasgow, Scotland. He is a registered psychologist with an international reputation in the leadership of multi-site…

View Bio for Professor Stephen Houghton

Zyron Krupenia

  Zyron trained as a Clinical Psychologist, first at the University of South Africa, and in 1983 completed his Master’s Degree in Clinical Psychology (Cum Laude) at the University of Port Elizabeth in South Africa. On his arrival in Perth in 1988, he commenced work in a Child Development Centre dealing primarily with child-related behaviour…

View Bio for Zyron Krupenia

Dr Mark Parker

Dr Mark Parker graduated from UWA in 1988. Internship at Fremantle hospital in 1989 then worked at PMH. Advanced training in Psychiatry and Neurodevelopmental Paediatrics. Fellowship of Royal Australasian College of Physicians in Paediatrics in 1996. Worked as Paediatrician for the Kimberley in 1997 after a stint with Medicines Sans Frontieres. Masters in Public Health…

View Bio for Dr Mark Parker

Dr Andrew Leech

Dr Andrew Leech holds a Bachelor of Medicine / Bachelor of Surgery from the University of Notre Dame in Fremantle, graduating in 2009.  Andrew achieved the FRACGP fellowship in 2014 and completed the child health diploma through the University of Sydney.  In 2020, Andrew was selected to take part in the RACGP Future Leaders Program.  Andrew also works…

View Bio for Dr Andrew Leech

Kyleigh Sinclair

Registered as a psychologist since 2006, Kyleigh has a well-established career working as both a school psychologist and private clinician providing a range of psychological services to children and adolescents. Endorsed with the Psychology Board of Australia as a Counselling Psychologist, Kyleigh has completed a Master of Psychology (Counselling Psychology) at Curtin University, a Postgraduate…

View Bio for Kyleigh Sinclair

Davinder Hans

Professional Advisory Body Member

Davinder is a West Australian trained doctor and psychiatrist who has worked as the Head of Youth Mental Health and has a private practice at Hollywood Private Hospital. He has further postgraduate training in mood and anxiety disorders, psychotherapy, autism assessments and youth mental health. He also has an academic appointment as an Associate Professor…

View Bio for Davinder Hans
Professional Advisory Body Member

Dr Tim Leahy

Tim has lived experience as Dad of two teenage children with ADHD. He is an Associate Professor, Personal and Professional development, UNDA School of Medicine Fremantle, with an academic interest in supporting medical students with ADHD. He has spent more than 20 years in private general practice, in Aboriginal primary health care, public health and…

View Bio for Dr Tim Leahy

Berry Johnston

Berry Johnston, Principal Occupational Therapist at Lil Peeps OT for Kids has over over 20 years experience as an occupational therapist. Berry graduated from Curtin University in 2002, with a Bachelor of Science in Occupational Therapy and is a member of the Developmental Occupational Therapy Association, Professional Member of Early Childhood Intervention Australia and Associate…

View Bio for Berry Johnston

Kate Warren

Kate is a senior corporate Lawyer with 15 years’ experience in workplace health and safety, industrial relations and employment law.  She is an experienced advocate driven to provide consistently excellent legal services and solutions in a collaborative environment, and has a passion for providing proven strategies and optimal outcomes for clients.

View Bio for Kate Warren

Professor Wai Chen

Professor Wai Chen is Professor, Psychiatry Discipline Lead, Curtin Medical School, Curtin University, and Professor, enAble Institute, Curtin University. He has research interests in child, adolescent and youth mental health, in particular, in the areas of ADHD, neurodevelopmental disorders, emotional dysregulation, deliberate self-harm and personal recovery. He is a consultant psychiatrist and clinical professor of…

View Bio for Professor Wai Chen