Health Service Board

The CAHS Board is the governing body of CAHS. Appointed by the Minister for Health, members have experience across the fields of medicine and health care, finance, law, and community and consumer engagement.

There are four standing committees of the Board, made up of Board members:

  • Finance
  • Audit and Risk
  • Safety and Quality
  • People, Culture and Capability.

The Clinical Advisory Group, comprised of staff from across CAHS, also advises the Board on strategic issues.

Board members

Rosanna Capolingua headshot  

Associate Professor Rosanna Capolingua

Board Chair


Associate Professor Rosanna Capolingua is a General Practitioner and owner of a General Practice in Perth. She has broad experience across health care delivery and medicine, serving as the Australian Medical Association (AMA) State President in WA in 1998 to 2000 and Federal AMA President from 2007 to 2009. As a member of the federal AMA Executive for six years, she chaired a number of committees including the Ethics Medical Legal committee, Finance committee and Taskforce on Indigenous Health.

She has extensive experience serving on Boards, including the Medical Board of WA, Professional Services Review Committee, Healthway and the Board of MercyCare. Within WA Health, she has served as Chair of the Governing Council for the Child and Adolescent Health Service, Deputy Chair of the North Metropolitan Health Service and a member of the Alcohol and Other Drugs Advisory Board at the Mental Health Commission of WA. 

She continues to be Medical Director of the AMA (WA) Foundation, Chair of the Board of AMA (Ltd), Chair of the WA Immunisation Strategy Committee and is a member of the AMA Indigenous Scholarship Foundation and St John of God Healthcare Australia Boards. 

 Geoff Dobb headshot  

Professor Geoffrey J Dobb

Deputy Board Chair


Professor Geoffrey Dobb is a Consultant and former Head of the Intensive Care Unit at Royal Perth Hospital. In 2021 he was awarded honorary Life Membership of the Australian and New Zealand Intensive Care Society. A former Chair of the Southern Country Health Service Governing Council (WA), Professor Dobb has extensive clinical experience and knowledge of WA Health. He also has considerable experience on the Boards of healthcare organisations and professional associations, with an interest in organisational governance and safety and quality in healthcare, being a current Board member of the Australian Council on Healthcare Standards.
 Miriam Bowen headshot    

Ms Miriam Bowen


Ms Bowen (LLB) is currently self-employed as consultant health lawyer to private health, aged and community care clients. She was Senior Legal Counsel for St John of God Health Care from 2010–18 and previously worked as a lawyer for Mercy Care. Ms Bowen specialises in clinical risk and governance which covers a range of legal issues arising in the health care sector. Prior to her legal work, she was a registered nurse with experience in acute clinical areas of private and public health. Ms Bowen holds a Bachelor of Laws and Diploma of Nursing qualifications. She has been a member of the CAHS Board since September 2018. 


 Linley (Anne) Donaldson headshot  

Ms Linley (Anne) Donaldson

M.HMgt, B.AppSc., Postgrad Bus, GAICD

Linley (Anne) Donaldson (M.HMgt, B.AppSc., Postgrad Bus, GAICD) is a former Director for the Health and Disability Service Complaints Office ; a position that involved strategic leadership in the oversight and management of health, disability and mental health complaints. Ms Donaldson has worked in the health sector for most of her career in a range of positions, and has a depth of experience and understanding of finance, audit, and safety and quality.

Alexius Julian headshot  

Dr Alexius Julian


Dr Alexius Julian (MBBS) is a highly-skilled clinician with significant experience in Information and Communications Technology (ICT) across health care. In particular, Dr Julian has previously served as the Chief Medical Information Officer at the St John of God Health Care Group, was a Clinical Lead in the commissioning of ICT at Fiona Stanley Hospital, and has also worked as a Medical Leadership Adviser for the Institute of Health Leadership. 
 Daniel McAullay headshot  

Dr Daniel McAullay

Ph.D, M AppEpi, B.Sc.

Dr Daniel McAullay (Ph.D, M AppEpi, B.Sc.) is a health professional and a past member of the CAHS Governing Council and has extensive experience as a member on health Boards and committees. Dr McAullay currently works as the Director of Aboriginal Research at Edith Cowan University and an Associate Professor with the Centre for Improving Health Services for Aboriginal Children and Families. Dr McAullay is a mid-career health services researcher with expertise in maternal, infant and child health, primary health care and Aboriginal health. 
 John McLean  

Mr John McLean

Mr McLean is a Chartered Accountant and experienced non-executive director who is currently the Director and Consultant of Red Jacket Consulting which provides management consultancy services in strategic planning, business improvement, people development, procurement processes, and training and risk management.

He has extensive executive management and board experience, with former executive roles including CEO of Jackson McDonald and General Manager of Coopers and Lybrand (now PricewaterhouseCoopers).

As part of Mr McLean’s current role, he provides advisory services to companies in relation to risk management, strategic planning and governance issues (including advisory boards).

Mr McLean holds board roles with the Neurological Council of WA and the Aboriginal Arts Centre Hub Western Australia.

 Peter Mott headshot  

Mr Peter Mott

Dip.HospAdmin, B.Bus; MIR; Grad Cert Lship

Mr Peter Mott has more than 35 years of health, executive management and CEO experience. He is currently CEO of Hollywood Private Hospital, Vice President of the Australian Private Hospitals Association, a member of the University of Western Australia (UWA) Business School Ambassadorial Council and a member of the Young Lives Matter Foundation UWA Board. He is a past President of the Australian Institute of Management (AIM) WA, past Chairman of the AIM WA UWA Business School Executive Education Advisory Board and past Chairman of Lifeline WA.

 Photo of Maria Osman  

Maria Osman


Maria Osman (M.Ed GAICD) is an experienced Board Executive and Diversity Consultant with over 30 years’ experience advising State and Federal government, private and public sectors and universities on cultural diversity, human rights and gender equality. She has held Executive Director roles in the Office of Multicultural Interests, Office for Women’s Policy, and the Department Communities and Local Government. In 2015 she was an Australian delegate to the 59th Session of the United Nations Commission on the Status of Women in New York. She currently serves as the Deputy Chair of Circle Green Community Legal, Advisory Board Member to the Public Policy Institute at the University of Western Australia, Member of the Premier’s Supporting Communities Forum, Member of the Minister for Citizenship and Multicultural Interests Council and Council Member of the National Harmony Alliance for Migrant and Refugee Women. 

 Di Twigg headshot  


Professor Di Twigg AM

PhD, MBA, B.HlthSc. (Nsg) Hons, RN, RM, FACN, FACHSM

Professor Di Twigg (PhD, MBA, B.HlthSc. (Nsg) Hons, RN, RM, FACN, FACHSM) is Executive Dean of the School of Nursing and Midwifery at Edith Cowan University with research interests in patient outcomes, nursing workforce, and cost-effective care. She has worked in the health sector for over 35 years and held several senior health executive roles, most notably as Executive Director of Nursing Services at SCGH. She was awarded the Life Time Achievement Honour in 2017, and in 2019 was made a Member of the Order of Australia for significant service to nursing through a range of leadership, education and advisory roles. 

Last Updated: 18/01/2022