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Council Members

Tim Koh

Dr Tim Koh
Chair RACGP Council
Chair RACGP Western Australia

Dr Tim Koh is the Chair of Council and Chair of RACGP WA. Tim is a practising GP in Currambine and Clarkson, north metropolitan Perth, WA. He is a second generation GP, originally from Three Springs, WA where his father was a rural GP. 

Tim has been involved in GP training with RACGP WA and regional training provider WAGPET since 2002. Tim served as RACGP WA Assessment Panel Chair for six years and Education Committee Chair for four years. Tim became RACGP WA Deputy Chair in 2010 and was subsequently nominated Faculty Chair in 2014. He is a co-owner of Currambine and Ocean Keys Family Practices where he supervises and mentors GP registrars, residents and medical students.

Bastian Seidel

Dr Bastian M Seidel 

Dr Bastian Seidel is a partner and co-owner of a rural general practice in Tasmania’s Huon Valley, South West of Hobart. Bastian joined the RACGP Tasmania board in 2009 and was elected deputy chair in 2011, becoming chair in 2015. Bastian studied medicine in Germany and South Africa and completed his vocational training as a GP in the United Kingdom in 2006. Bastian has been a supervisor for GP registrars and an RACGP examiner since 2007. He is a Clinical Professor at the University of Tasmania and Director of the National Asthma Council.

Edwin Kruys

Dr Edwin Kruys
Vice President
Chair RACGP Queensland 

Dr Edwin Kruys is a full time practising GP on the Sunshine Coast and is Chair of RACGP Queensland. Edwin is a graduate of the University of Amsterdam. During his medical training he worked for six months in Kenya. After finishing GP training in the Netherlands, Edwin worked in various rural locations in Australia, including Cooktown and the remote Wujal Wujal and Hopevale Aboriginal Communities in Cape York, and Halls Creek in the Kimberley, Western Australia. 

Edwin is passionate about advocacy for general practice. He writes the popular general practice blog about healthcare politics, e-health and social media. Edwin is also a member of the AMAQ Council of General Practice. Edwin lived in the rural town of Geraldton, WA for seven years, where he co-owned a 20 doctor practice. Edwin has lived in the Sunshine Coast hinterland of Queensland since 2014.

Mark Miller

Dr Mark Miller

Dr Mark Miller is the RACGP Censor-in-Chief, and Chair of the RACGP Board of Censors / Board of Assessment. Mark previously held roles as SA Exam Panel Chair from 1997 until 2003, and then RACGP SA&NT Censor. Mark has trained general practice registrars for more than 20 years, is a member of RACGP Rural and has been both a John Flynn and Ramus mentor. 

Mark is heavily involved with the running of the RACGP Fellowship Assessments and has been a Medical Educator and facilitator at RACGP SA&NT run workshops for many years. Mark was also awarded the 2013 RACGP GP of the Year Award in recognition of his outstanding commitment to the profession and was recently awarded a 25 year long service medal for rural practice in South Australia.

Mark has been a full time rural GP in Goolwa, South Australian for over 24 years. In addition to a full time clinical role, Mark has been involved with medical student teaching from both Flinders and Adelaide University and the practice has hosted Parallel Rural Clinical Curriculum students completing their 3rd year at Flinders University Medical School for over 10 years. He has supervised over 30 general practice registrars and enjoys the vibrancy they add to clinical practice, teaching, mentoring and learning. Mark has provided tuition and mentoring to international medical graduates (IMGs) commencing general practice in Australia.

Clare Ballingall

Dr Clare Ballingall
Chair RACGP Tasmania

Dr Clare Ballingall is a GP from Newtown in Hobart, Tasmania where she practises in a large group practice. Clare has also worked for the federally funded phone triage service, GP Assist Tasmania for 13 years, supporting rural GPs after hours.  

Clare originates from the UK, where she trained and worked in the hospital and primary health care sectors in Scotland. Upon relocating to Australia, Clare spent two years working in psychiatry in Queensland, before settling in Tasmania. 

Clare’s first contact with the RACGP was sitting her Fellowship exam ten years ago, for which she was awarded the RACGP Tasmania medal for the highest aggregate score across the three segments of the Fellowship exam. She has since been an active examiner with the faculty and joined the RACGP Tasmania board as the Tasmania Regional Representative for Denison in 2015. Clare has met regularly with local parliamentary members and is passionate about increasing awareness of current GP issues. 

Danny Byrne

Dr Daniel Byrne
Chair RACGP South Australia and Northern Territory
Chair RACGP Specific Interests

Dr Daniel Byrne is a partner at Chandlers Hill Surgery in outer metropolitan Adelaide and was elected to RACGP Council in October 2014. Daniel is Chair of RACGP SA&NT, and became Chair of RACGP Specific Interests in 2015. He has been a strong supporter of the RACGP since his training days in the early 1990s leading to RACGP Fellowship in 1993. 

Daniel has supported the RACGP by participating in exam preparation workshops for Registrars and IMGs, conducting AHPRA interviews for IMGs wishing to enter Australian general practice and assisting as a QA Examiner at the FRACGP OSCEs. He has been a medical educator, a GP clinical advisor and has been involved in GP-hospital liaison and eHealth for twenty years. 

Daniel believes having the highest regard for quality and standards will guide the RACGP in all it is involved in, whether it is practice accreditation, practice guidelines, eHealth or GP training. He believes the RACGP must set the Standards and rigorously defend the right of the profession to implement them.

Cameron Loy

Dr Cameron Loy
Chair RACGP Victoria

Dr Cameron Loy is a GP practising in Lara, Victoria and in prisons. He has worked in south-western Victoria and in Timor Leste. 

Cameron’s past professional roles include Chair of the General Practice Registrars’ Association (2002), Director of the Remote Vocational Training Scheme (2006-2010) and Chair (2011), and Director of Greater Green Triangle GPET (2001-2003).Cameron was Deputy Chair RACGP Rural (2003-2014), and Deputy Chair RACGP Victoria from 2014. He is an RACGP Examiner and QA Examiner and was Assessment Panel Chair for six years. He was a member of the RACGP Expert Committee - Standards for General Practice. 

Cameron was on the advisory groups for the Victorian opioid substitution programs and the Hepatitis C therapy training programs for six years.Cameron is a Trustee on the Shepherd Foundation providing research grants into prevention and occupational health. 

He remains a committed supervisor and mentor for GP registrars, residents and medical students. And he is a keen amateur astronomer. 

Christine Nixon, APM
Co-opted Council Member


Christine Nixon is a prominent, experienced public speaker and advocate for women, disadvantaged youth and multifaith/multicultural communities. She is the Deputy Chancellor at Monash University and Chair of Monash College and the Good Shepherd Microfinance. 

Christine was the chief commissioner of Victoria Police from 2001-2009, being the first female chief commissioner in any Australian state police service. After leaving Victoria Police, she was appointed as chair of the Victorian Bushfire Reconstruction and Recovery Authority, a position she held from February 2009 until July 2010. 

Christine has extensive experience in policing, organisational reform, risk management, crisis management, corruption prevention, emergency management and human resource management. 

Christine has received numerous accolades for her services and achievements, including the Australia Police Medal in 1997 and Save the Children Foundation’s ‘The White Flame Award’ in 2009.  

Associate Professor Peter O’Mara
Chair RACGP Aboriginal and Torres Strait Islander Health 

Associate Professor Peter O’Mara is from the Wiradjuri people of NSW. Peter has worked with the Tobwabba Aboriginal Medical Service since 2002, and describes himself as an Aboriginal man who loves being a doctor. 

Peter loves working one on one with his patients and finds a source of satisfaction in the knowledge that in his own small way, the work that he does contrbutes toward closing the gap between Indigenous and non-Indigenous health outcomes. 

In 2008, Peter pursued his other passion – making good doctors – and took on the position of Associate Professor, Indigenous Medical Education and Head of Discipline, Indigenous Health at Newcastle University. Peter has been a member of the AIDA Board for 8 years and was President of AIDA from 2009 – 2012.

Ayman Shenouda

Dr Ayman Shenouda 
Chair RACGP Rural

Dr Ayman Shenouda has been the Chair of RACGP Rural since October 2014, prior to that he was the deputy chair for five years. Ayman is also a member of the RACGP NSW&ACT Board Executive and was on the RACGP National Standard Committee of Education for several years. Ayman is also the Chair of the Remote Vocational Training Scheme, former Director of Medical Education CCCT Riverina/Murrumbidgee, former Chair of Wagga Wagga GP After Hour Services, and former Director on the Board of the Riverina Division of General Practice & Primary Health. 

Ayman was awarded RACGP GP of the Year in 2009. His practice was awarded NSW&ACT General Practice of the Year in 2007 and three AGPAL awards in 2009 and 2010.

Ayman migrated to Australia 22 years ago from Egypt. He commenced his medical career in Australia as a surgical registrar in Tasmania in 1995, and has been a rural GP in Wagga Wagga for the last 17 years, where he established Glenrock Country Practice. 

Ayman’s main interest is education and training and his passion is to develop quality frameworks and systematic management tools to enable and enhance the work of GPs

Martin Walsh

Mr Martin Walsh
Chair of Finance, Audit and Risk Management Committee
Board Member of Oxygen Pty. Ltd.
Co-opted Council member

Mr Martin Walsh has been an international partner and advisor for 35 years in assurance and advisory services at both Ernst & Young and Deloitte in Australia, PNG, South Korea and the US. Martin has experience in financial services, infrastructure and consumer products, including due diligence, strategy, risk, compliance and governance. 

Martin is known as a multi-disciplined leader with vision-setting and change implementation expertise, particularly skilled in managing complex stakeholder groups. Martin has assumed many board director roles, including with not-for-profit organisation Surf Lifesaving Australia. He is a Fellow of the Institute of Chartered Accountants and the Governance Institute as well as being a Graduate Member of the Institute of Company Directors. 

Mary Wyatt

Dr Mary-Therese Wyatt
BSc (Biomedical), Dip Ed (Maths), MBBS, DCH, FRACGP
General Practice Registrar Representative

Dr Mary-Therese Wyatt is a recent fellow of the RACGP working in a long-established general practice clinic in Perth, WA. Prior to Fellowship, Mary undertook registrar training with WAGPET. She was a Registrar Liaison Officer for WAGPET from 2014-2016, which included a role on the Advisory Council for GPRA. Mary continues her association with GPRA in an ex-offico role, representing RACGP in this advisory council. Mary has also had previous experience as a board director for GPRA from 2009-2013. In her life prior to medical training, Mary studied Biomedical Science and spent several years as a high school mathematics teacher, working in country NSW.  

Guan Yeo

Dr Guan Yeo
Chair RACGP New South Wales and Australian Capital Territory

Dr Guan Yeo is Chair of RACGP New South Wales and Australian Capital Territory (RACGP NSW&ACT). He has experience in corporate and clinical governance, advocacy, and education and assessment. Guan is a practising GP in outer metropolitan Sydney and a clinical training consultant in clinical communication, standards, clinical performance assessment, quality use of medicines, and professional regulation. 

Guan is currently the RACGP National Assessment Advisor for the Clinical Exam (OSCE). Previously as Assessment Panel Chair in New South Wales, he introduced programs to assist IMGs prepare for Fellowship of the RACGP (FRACGP) exam. He is a Board Member of Primary and Community Care Services and Deputy Chair of the General Practice Network Northside and a hearings member of the Medical Council of NSW (previously Medical Board).

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