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Michael Kohn (NSW)

A/Professor Michael Kohn is the Area Director for Adolescent and Young Adult Medicine for Western Sydney, and Head of Department for AYA Medicine at Westmead Hospital. He has research and clinical interests in neurodevelopmental conditions such as ADHD and Autism. He is well known in the ADHD field through his publication of over 100 scientific articles, writing in medical textbooks and media work.

Michael has experience as a Director for the Emanuel School (1998-2003) and Butterfly Foundation (2005-2014), prior to joining the ADHD Australia Board in 2015. He has been Chairman since November 2015.

Leon Mazarakis (NSW)
LL.B (Syd Uni); BA (Syd Uni); Grad Dip Legal Practice (COL); Cert III Financial Services (Kaplan); Cert Govt and Risk Mgmt (GIA)
Treasurer/Company Secretary

LeonM-125x167Leon Mazarakis is a General Manager of Trustee and Client Finance at a publically listed global financial services corporation, as well as a Director of Napoleon & Richard Legal. His expertise lies within Treasury management, trustee and custodial arrangements and asset management as well as governance and policy.

Leon is Director and Treasurer of Kogarah Community Services, a non for profit entity focused on delivering services to the elderly and children. Leon is passionate about helping others and providing people with access to information and support networks.

Joy Toll OAM (NSW)

Joy Toll OAM has been involved in voluntary support and advocacy work in the LD/ADHD field for 35 years. As a trained and experienced Counsellor in the welfare field, she has represented parents and adults on various government and ministerial committees. Joy sat on the committee to establish the Guidelines for ADHD in Australia and was awarded the OAM in 1999 for services to children with learning disabilities.

In addition to being a founding Director of ADHD Australia, Joy was the founder of the first ADHD parent support group in NSW, founder and President of the parent group network The LD Coalition of NSW, and the founder and Board member of ADDults with ADHD NSW, establishing the telephone Helpline service.

Caroline Stevenson (NSW)
B.Sc (Hons) (Uni Sussex, UK); Cert Management (Eastbourne College of Tech); Master of Psychology  (Uni Sydney); PhD (Uni Sydney); MAPs

Caroline Stevenson-2Caroline Stevenson is a Clinical Psychologist and Director of a private psychology practice on the Northern Beaches of Sydney. She has research and clinical interests in ADHD across the lifespan.  Caroline’s PhD is on the Management of ADHD in adulthood. Caroline has lectured at University of Sydney and Macquarie University.

Caroline has been a strong advocate for people with ADHD. She has been a past President of ADDults with ADHD NSW, a support group for adults with ADHD. In addition, Caroline has been a media spokesperson for Hyperactivity (NSW) and ADDults NSW.

Leigh Laurence (NSW)

“Leigh has a background in Nursing and Master of science, post graduate degree in public health and health behaviour, plus marketing and PR qualifications.  It is her passion for making an impact and having close family members with ADHD that has drawn her to the ADHDA Board. Leigh is a communications and stakeholder relations leader as well as designer of award winning Corporate Social Responsibility and colleague engagement programs.  Leigh’s career and interests have long revolved around health and wellbeing in both profit and not for profit settings. She has held positions reporting to CEO’s, boards and director level, managing large teams, and transforming those teams and organisations along the way.  Leigh currently works at Pfizer as Manager External Relations, interacting with patient groups and guiding the organisations social investments and philanthropic support as well as managing Pfizer’s award winning CSR program Pfizer CARES.”

Manisha Amin (NSW)
BBus Marketing (UTS), MA Prof Writing (UTS), PhD Arts (UTS)

ManishaAManisha Amin is Chief Executive Officer of Media Access Australia. Previous positions have included Director of Marketing and Fundraising for Barnardos Australia (2011-16), Cancer Council NSW (2008-2011), Guide Dogs NSW (2007-8) and she has worked in communication and marketing at UTS.

In addition to her role as Director of ADHD Australia, Manisha has served on the Board of the Active Learning and Communication Cooperative and the fundraising advisory committee of the Nature Conservation Council. She is a published author and has served on a number of advocacy organisations including Adoptive Parents Australia.

Jonathan Hassall (Qld)
BN Australian Catholic University, Graduate ADHD Coach (ADDCA)

Jonathan Hassall is a co-director of Connect ADHD Coaching in Brisbane. From 2012 to 2015 he was the Lead Scientific Advisor (ADHD) for Lilly Australia/New Zealand where he was responsible for medical expertise regarding ADHD, Strattera and related medications. In this role he was also responsible for providing ADHD education and training to health professionals, in the form of lectures, conferences, and specific ADHD service development workshops.

Currently Jonathan is active in both the Australian and US ADHD peer community as a standing member of several psychiatry and ADHD coach peer review groups. His ADHD Coaching practice provides specialised ADHD and Executive Function Coaching to clients across Australia and internationally. He has also been accepted at the CHADD international conference for innovation programs for 2015 and 2016.

Kate Lidbetter (NSW)
BA (Syd Uni); Grad Dip Arts Management (UTS); Master of Policy (UNSW); Grad Cert Applied
Finance (Kaplan); Graduate Australian Institute of Company Directors (GAICD)

Kate Lidbetter1-sm-130x173Kate Lidbetter is Chief Executive Officer of Symphony Australia, also known as Symphony Services International. Previous positions have included Director of Music at the Australia Council for the Arts and leadership roles with the Australian Youth Orchestra and Sydney Children’s Choir.

Kate has broad governance experience in the Not-for-Profit sector. She is currently Chair of Gondwana Choirs, and until December 2014 was Chair of Ensemble Offspring. She is a director and company secretary of Accessible Arts Limited and sits on the Finance and Audit committees of both Gondwana Choirs and Accessible Arts.

Chris Malcher (ACT)
Master of Business (Uni of Newcastle)

Chris is a senior business analyst and business analysis capability lead at the Department of Social Services in Canberra. He has over twenty years’ experience bridging the gap between functional business areas and information technology across government, charities and in the private sector.

Chris was vice president of ADDults with ADHD from 2006 to 2015. He transferred his focus to building ADHD Australia in order to unite the many groups involved in the field to work at a national level to support people affected by the condition, and to create a voice that is heard at all levels throughout the country.



Dympna Brbich (WA)
Master of Business Leadership (Curtin Uni); Grad Cert (Bus L’ship) ( Curtin Uni); Dip Ed (Bus Tourism) (Massey Uni, NZ)
Founding Director

Dympna is a Founding Director and member of ADHD Australia. She has held the Company Secretary position on the board 2 years until December 2016. Dympna Brbich originated from Northern Ireland, lived and worked in New Zealand for 15 years prior to moving to Perth in 2000. . Dympna has held several senior management positions within the banking industry, including branch management, network, credit policy and control, lending and securities. Currently she manages a national government medical education program aimed at providing medical registrars with specialist training within a private setting. She is a private consultant to other medical facilities.    Dympna is passionate about mental health issues and has worked with a local state based ADHD group. She has a lifetime involvement in community organisations, school and sporting committees. Dympna’s qualifications and strengths are in leadership, mentoring, networking, negotiation and finance and she is an Associate member of the Institute of Community Directors. Dympna enjoys study in the areas of critical thinking, ethics and philosophy.


Michele Toner, PhD, PCC, PCAC, ADHD Consultant and Coach: Past President of the Board of LADS Perth WA: Professional Advisory Board of LADS in Perth WA:


Joy Toll OAM, Founder and President ADDults with ADHD (NSW) Inc: Counsellor, ADHD parent and grandparent, also founder of the parent group movement in NSW:

Chris Malcher, Vice President ADDults with ADHD (NSW) Inc: IT Design Centre Lead, Department of Social Services Canberra:

Leigh Laurence, Board member ADDults with ADHD (NSW) Inc: ADHD relative, Manager External Relations at Pfizer Australia:




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