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Clinical Staff Profiles

Michelle Chapman (MAPS): Senior Psychologist / Regional SIS Team Manager

Michelle is a Registered Psychologist, Registered Mothercraft Nurse (List B) and is an Accredited Supervisor for the NSW Psychologists Registration Board providing clinical supervision for graduate Psychologists within DSA. As a Specialist Intervention Consultant, Michelle provides behaviour intervention and support to individuals and their families in Inner West and South East Sydney and coordinates a team of DSA Specialist Intervention Services Consultants (graduates and provisionally registered psychologists) within these regions.

Michelle specialises in working with adolescents/adults with developmental and congenital disabilities as well as dual diagnosis. Cognitive behaviour therapy is provided to assist and empower families to support their person through the development of individual and family strategies including developing skills for resilience. Michelle is a strong advocate for families with a particular focus on assisting families to understand ongoing issues of grief and loss within families due to diagnoses and life transitions. Michelle is a parent of an adult with a congenital disability and has been a professional member of the Guardianship Tribunal of NSW since 2005. Michelle is a member of APS and PsychDD and a Medicare provider in Campbelltown and Redfern.


Lorraine Teeuwen-Green, MAPS Senior Psychologist / Regional SIS Team Manager

Lorraine is a Registered Psychologist with Masters Training in Family and Couple Therapy. She is also a certified Trainer with a Certificate IV in Assessment and Workplace Training and Accredited Supervisor with Australian Health Professionals Registration Board.

Lorraine provides psychological services and behaviour intervention and support to children, adolescents and adults with intellectual, developmental and psychiatric disabilities in Goulburn, Queanbeyan, Southern Highlands, Campbelltown and Canberra. Lorraine has worked in the disability sector for the majority of her career but has additional work experience in Mental Health, Men's Health, Aged Care and Sexual Health. As a passionate workplace trainer, Lorraine has developed multiple training modules, which were delivered across all areas of NSW, as well as ACT, Tasmania and NT.

Lorraine is a Medicare provider for SIS in Moss Vale, Associate Member of the Australian Psychological Society, External Member for ADHC's Southern Restrictive Practices Authorisation Panel since 2006 and Member of the Association for Psychologists in Developmental Disability (PsychDD).


Danielle Willis, Consultant Psychologist

Danielle graduated with a Bachelor of Arts (Psychology) and Postgraduate Diploma of Psychology from the University of Western Sydney. She achieved her Psychologist’s Registration through the Australian College of Applied Psychology. Danielle joined DSA in April 2012 and has been a valued member of our team since then providing behavioural support and training to DSA Lifestyle and Day options as well as supporting many individuals in need of counselling.

She has been working in the field of Psychology for many years and has extensive experience working with children and adolescents with Autism Spectrum Disorders (ASD) and related childhood disorders having worked as a senior clinician with the Centre for Autism and Related Disorders.  Danielle has also had experience working in the private sector providing behavioural support to children in Out of Home Care and their foster families. Danielle has volunteered with Lifeline providing telephone counselling to people of all ages.

Danielle is a SIS Medicare provider in Campbelltown.


Jonathon Mystakidis, Consultant Psychologist

Jonathan studied his undergraduate Bachelor of Psychology at the University of Sydney and the University of Western Sydney. Jonathan has previous experience within the public school system, working with children on the Autism Spectrum.

Jonathan has specific interests in the relationship between mental health and developmental disability, or ‘dual diagnosis’ and provides ongoing behavioural and psychological support to individuals across the field. 


Yasmina Dzenanovic, Consultant Psychologist

Yasmina completed her undergraduate degree in psychology at the University of Newcastle. Prior to working at DSA, Yasmina was working for Learning Links providing intervention and counselling for children and families with social, emotional and behavioural issues. During her undergraduate study she also worked as an Applied Behaviour Analysis Therapist for the Lizard Centre providing therapy to children with Autism Spectrum Disorder.

Yasmina’s areas of interest include social skills training and anxiety management for children and adults with developmental disabilities. Yasmina also has a special interest in working with people with an acquired brain injury and working with families from CALD backgrounds.


Lily Coleman, Consultant Psychologist

Lily graduated with a Bachelor of Economic and Social Sciences, majoring in psychology and human resources management, from the University of Sydney. Following that, she completed a Bachelor of Psychological Sciences (Honours) at the Australian College of Applied Psychology. Prior to working for DSA, Lily gained experience in the disability field working with adults as a support worker in supported accommodation and community participation day services. She has also worked as an Applied Behaviour Analysis Therapist providing therapy for children with Autism Spectrum Disorders. Lily joined DSA in 2012 providing behaviour support and training to DSA Lifestyle and Day Options programs as well as providing early intervention, assessment, skill development and other psychological services to external clients.

Lily enjoys working in a variety of areas, however, has particular interest working with children, and providing psychological assessments and training in different areas of psychological practice.



Natasha Schellander, Consultant Speech Pathologist

Natasha studied a Bachelor of Speech Pathology at the University of Newcastle and graduated January 2014. Natasha will commence a Masters of Public Health (Developmental Disability) at the University of Sydney in 2015.

Natasha has specific interests in Developmental Disabilities including autism, intellectual, acquired or organic physical disabilities, and dysphagia. Natasha is interested in/ has experience in; Alternative and Augmentative Communication, Picture Exchange Communication Systems, key word sign, speech and language therapy, behavioural support strategies and dysphagia treatment.

Natasha started studying Mandarin in Taiwan in 2008, and has continued her studies in 2014.

Natasha is a Medicare provider for Bankstown, and services DSA throughout Sydney, Goulburn, and Newcastle.

Last Modified: 17/03/2016 11:34 AM