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ADHD Australia Limited is passionate about creating a better future for those living with ADHD and their families. The Board of Directors is responsible for the governance and management of the organisation. Our experienced directors are volunteers who bring great depth and breadth in clinical, governance, leadership and business, as well as important links with the ADHD community. The compliment of our working board has a balance of professionals, gender and those with a lived experience of ADHD.

Michael Kohn

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.

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

Manisha Amin is Chief Executive Officer of the Centre for Inclusive Design, an organisation which design systems, products, services and customer experiences based on inclusive principles. 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.

Nick Mercer

Nick Mercer founded MercerBell in 1999 and has been its Chief Executive Officer since then. In that time MercerBell has evolved into one of Australia’s leading Customer Experience & Advertising agencies with a staff of 80 people and offices in Melbourne and Sydney.

The company has been highly awarded within the advertising industry and has maintained a blue chip client base including Toyota, Qantas, Caltex and UNICEF. MercerBell is now part of Saatchi & Saatchi Australia and Nick continues in his role as CEO.

Prior to joining the ADHD Australia board in 2018, Nick served as a Director with ADMA (Australian Direct Marketing Association) and was inducted into the ADMA Hall of Fame for outstanding contribution to the industry in 2017.

Rafael Kimberly-Bowen
MBA (Curtin University of Technology), BSc (London School of Economics and Political Science), CPA, FCMA (The Chartered Institute of Management Accountants)

Rafael Kimberley-Bowen is an experienced chief financial officer, company director, entrepreneur and angel investor. Rafael has international corporate experience including banking, education, childcare and community services, mining, media, healthcare, agriculture and aged care.

Rafael is a member of the AICD, and sits on the board of private companies and not-for-profit organisations. Rafael is also a Fellow of the Chartered Institute of Management Accounting, and a founding director of Scale Partners, a boutique professional services firm.

Chris Bevan

Chris is a lawyer of 37 years’ experience in corporate governance, corporations law, taxation law and the law relating to charitable organisations as an advisor and advocate. He has appeared in cases in those areas of law in various State Supreme Courts, the Federal Court of Australia and the High Court of Australia. Chris maintains barrister’s chambers at the Sydney and Melbourne Bars. Chris is a former adjunct lecturer in postgraduate taxation law at UNSW and lecturer in corporate governance for the UNSW, Legal Wise Seminars and Law Society of NSW continuing legal education programs.

Chris has been a non-executive director of several family companies and the corporate trustee of a superannuation fund. Chris has had over 30 years of membership of committees of various peak professional bodies responsible for vetting draft legislation, including the Tax Institute and the Bar Association of NSW, and is a former chairman of the Legislation Committee of the Tax Institute.

Dianne Cassen
MBA (UTS), Graduate Australian Institute of Company Directors (GAICD)

Dianne Cassen has over 20 years’ experience in human resources leadership and consulting, executive recruitment, mentoring and coaching. She was recently Head of HR at Meriton, one of Australia’s largest property development companies, and previously held senior executive roles in Talent2 and Hudson, two of Australia’s leading executive recruitment and HR consulting companies. She was part of the team that established Talent2 in Australia and an executive committee member for 10 years.

Dianne has been a mentor for the Australian Human Resources Institute and National Association of Women in Construction for many years, a volunteer event manager for numerous executive networking events, a longstanding volunteer for the Property Industry Foundation, and a regular presenter on career and leadership related topics.

Chris Malcher
Master of Business (Newcastle)

Chris Malcher is a business architect and business analysis capability lead at the Department of Social Services in Canberra. He has over twenty years’ experience bridging the gap between business and technology teams across government, charities and the commercial sector.

Chris was vice president of “ADDults with ADHD NSW” from 2006, and in 2011 transferred his focus to building ADHD Australia in order to unite the many groups involved in the field to address national issues in support of people affected by the condition.

Greg van Wyk
MBBCh (University of Witwatersrand); BBA (University of South Africa); MEc (Macquarie University)

Dr Greg van Wyk is the Chief Executive Officer and Chief Medical officer of Noxopharm, which is an Australian publicly-listed clinical stage drug development company.

Greg graduated as a medical doctor, from the University of the Witwatersrand, in 2001 and worked clinically, in hospitals and in GP practice, for 5 years prior to moving into pharmaceutical medicine. Prior to joining Noxopharm, he enjoyed an 11-year career with Eli Lilly during which he led large, diverse medical teams across Australasia and North-western Europe and worked across a range of therapeutic areas, on medicines in all stages of the product Lifecyle.

In both clinical and commercial contexts, Greg is a strategic thinker who is focused on achieving valued outcomes for the multitude of stakeholders engaged with the pharmaceutical industry. He enjoys research design and analysis and he enjoys continuous learning.

Greg has postgraduate degrees in management and economics and is passionate about the healthcare economy and the role of technology in extending and enhancing people's lives.


Len Russell
Chief Executive Officer

Len Russell was appointed as the Chief Executive Officer of ADHD Australia in early September 2017 to lead the organisation from being a board based volunteer management organisation into one which represents ADHD issues more consistently across Australia. His focus will be delivering on the organisation's mission and bringing the ADHD community together as a catalyst for positive change within the wider community.

Len comes to us with an extensive mixture of experience from both the not for profit and corporate sectors. His experience covers a number of areas such as leading fundraising teams, donor stewardship, product marketing and corporate governance.

Prior to joining ADHD Australia, Len was Head of Fundraising for MS Research Australia and he was part of the senior executive fundraising team at Neuroscience Research Australia (NeuRA), a Sydney medical research institute which focused on diseases of the brain and mind. Complimenting his not for profit working experience, he is the Chair and non-executive director of an organisation providing support for people with disabilities within Western Sydney.

Before embarking on a career in the not for profit sector, Len worked in sales, marketing and product development in the Legal Publishing, Telecommunications and Earthmoving Equipment industry sectors.

Len is a member of the Australian Institute of Company Directors and is also a member of the Fundraising Institute of Australia (the national peak body for fundraising within Australia) and since 2010 has been a member of the FIA's NSW Executive Committee. He has also been an Advisory Committee member for the Parramatta Community Justice Clinic, part of the University of Western Sydney's law faculty initiative for student practical legal experience.