Staff Profiles

suzanne greenwood headshotSuzanne Greenwood   Chief Executive Officer

Suzanne commenced as Chief Executive Officer of CHA in October 2014. Now based in Canberra, she has previously been General Counsel to the St Vincent de Paul Society Queensland and Corporate Counsel/Company Secretary to St Vincent’s Health & Aged Care, formerly St Vincent’s & Holy Spirit Health. Immediately prior to commencing with CHA, Suzanne was the National CEO of the Institute of Arbitrators & Mediators Australia.

Suzanne was a member of the Board of the Brisbane Archdiocesan Development Fund, the Good Sams Foundation, the Queensland Law Foundation, the Queensland Law Society and of Epilepsy Queensland. She has also served on several Church advisory committees.

As a former medico-legal lawyer, Suzanne has a special interest in health ethics, having Chaired the Human Research Ethics Committee (HREC) for St Vincent’s Hospital Brisbane, St Vincent’s Hospital Toowoomba and for The Holy Spirit Northside Private Hospital. She was also a member of the HREC for Queensland Health Corporate Office and is currently a member of the Australian Government’s Clinical Trials Advisory Committee.

As a Catholic Executive dedicated to the healing ministry of Christ, Suzanne believes it is an honour and privilege to lead CHA.

 Contact Suzanne

Richard Gray 2014Richard Gray AM    Senior Aged Care Advisor

Richard was appointed Director, Aged Care Services with CHA in April 1996. Since that time, Richard has represented the views of the owners and operators of Catholic aged care on multiple Government consultative committees and to 14 Commonwealth Aged Care Ministers. In February 2013, Richard chose to take on the part-time role of CHA's Senior Aged Care Advisor.

Richard served a full term as a board member of the Commonwealth Aged Care Standards and Accreditation Agency, and served for many years on the Commonwealth Aged Care Minister's Aged Care Advisory Committee. Before joining CHA, Richard was the inaugural Executive Director of what is today Aged and Community Services Australia, establishing its Canberra presence. He is also a former CEO of the Spastic Society of Victoria. Prior to those role he was a manager of a regional commercial TV station and General Manager of commercial radio station in Melbourne.

Richard currently serves as a board director of the Victorian disability and elder care provider Villa Maria. He is also a former board member of ACROD Ltd, Villaggio Sant'Antonio Ltd, Cerebral Palsy Overseas UK and also former chair of the Victorian Consultative Council on Rehabilitation.

Contact Richard

Dr Ellen Marks 3Dr Ellen Marks    Senior Health Policy Advisor

Ellen is one of our newest members of staff who has joined the Policy Team in the role of Senior Health Policy Advisor. Ellen will be part of a team working on health system funding and reform as well as pathology, pharmacy, research, safety and quality and health technology assessment. Ellen’s background is in medical research, in particular immunology of the gastrointestinal tract and emerging therapeutics for the treatment of inflammatory bowel disease (IBD).

Ellen completed her PhD at the University of Gothenburg, Sweden, and has previously held positions including Senior Postdoctoral Researcher at the University of Newcastle, Australia, and Postdoctoral Research Fellow at King’s College London, United Kingdom.


Contact Ellen


Margaret DeerainMargaret Deerain    Mission Manager

Margaret re-joined CHA in December 2014 as Mission Manager.  Margaret previously worked with CHA in 2003-2005 as the Manager, Policy and Research.  Between her two periods with CHA, Margaret completed a Master of Liberal Studies Majoring in Religious Studies from Georgetown University, Washington DC, had three children and worked in a policy position at the Australian Medical Association.

In her earlier career, Margaret worked for the Australian Government in the health, finance and employment portfolios.  Margaret also holds a Master of Letters majoring in Sociology from the Australian National University and a Bachelor of Business from the Queensland University of Technology.




Annette Panzera ProfileAnnette Panzera    Senior Health Policy Advisor

Annette Panzera (BBusMgt, MPH) has spent the last five years working in north Queensland both for Queensland Health (based at Cairns Hospital) and for the Anton Breinl Research Centre for Health Systems Strengthening at James Cook University. During that time her research focus has been on health workforce innovation, in particular with regard to regional and rural Australian workforce shortages and how teaching and training programs  can be adapted to deliver flexible solutions for present and future health professionals. She has also undertaken several clinical redesign projects as a consultant for QH including improving patient flow within hospital, decreasing emergency department waiting times and fostering better relationships between the health service and general practice.

Prior to her return to Australia in 2010, Annette worked at the Organisation for Economic Co-operation and Development (OECD) in Paris for ten years concentrating on international health, education and social policy development. Major work areas included developing an international database of healthcare quality indicators and examining the role of private health insurance in selected member countries’ health systems. She has also worked as a consultant at the World Bank.




Staff Profile Place HolderStephen Lyons   Media & Communications Manager

Stephen Lyons comes to CHA with a number of years’ experience in the disciplines of communications, marketing and public relations. 
Having held the position of Senior Copywriter at a leading Sydney-based communications agency, he has produced innovative and effective communications strategies for a number of organisations in both public and private spheres.
Tasked with coordinating communications requirements for CHA’s internal and external stakeholders as well as liaising with the media, Stephen aims to develop and implement engaging audio, visual and written material, through numerous media channels, to communicate the mission focus, ethos and continued successes of CHA, its member organisations and associated staff. 




altAngela Lowe    Meetings & Events Manager

As Meetings & Events Manager, Angela is responsible for the operation and management of CHA's flagship event - the Annual CHA National Conference - as well as our other symposiums, meetings and events including forums, seminars, educational events and special interest group events.

Angela is also responsible for the management of CHA's Membership Database and plays a vital role in member liaison for the organisation.

Angela commenced at Catholic Health Australia in July 2000 and was appointed Meetings & Events Manager in 2006. Angela is married with six children and two grandchildren.

Contact Angela

Nick Mersiades 2014Nick Mersiades    Director of Aged Care

Nick has extensive experience in aged and health care, including 16 years in the Department of Health and Ageing. As well as roles as manager of the Department's Queensland and New South Wales state offices, Nick's most recent role in the Department was head of the Ageing and Aged Care Division, where he was responsible for the development of aged care policy and for the overall management of the Australian Government's residential and community aged care programs.

Prior to joining Catholic Health Australia in November 2008, Nick had been General Manager of Strategic Policy and Communications in Catholic Healthcare Ltd.

In 2012, Nick was appointed to the board of the Aged Care Financing Authority (ACFA).

Contact Nick

Deborah 2014Deborah Reynolds   Executive Assistant

As our Receptionist, Deborah is friendly and courteous in welcoming all Members and guests to CHA.  Deborah is responsible for the daily administrative functioning of our CHA office and also provides secretarial support to the executive staff.

In her role, Deborah is also responsible for assisting the Meetings & Events Manager in the preparation of functions, particularly the Annual CHA National Conference.

Deborah also manages delegate registrations for our key events.

If you are unsure who to contact at CHA on a particular matter, kindly contact Deborah who will happily re-direct you to the appropriate person.

Contact Deborah

Susan Sullivan 2014Susan Sullivan    Director of Mission Strategy

Susan joined Catholic Health Australia in October 2010 as Director of Mission Strategy.

She commenced her professional life in Perth as a high school teacher in the Catholic system. Following the completion of a Masters in Religious Education at Loyola University, Chicago, Susan worked as a Senior Education Consultant at the Catholic Education Office, Perth. She held responsibilities in the area of Staff Development and Faith Formation.

Arriving in Canberra in 1993, she became involved in community education as Senior Education Officer with the Sudden Infant Death Association and later with the Arthritis Foundation of the ACT. Most recently she was Director of Mission at Calvary Health Care ACT for five years. Susan is married with three adult children.

Contact Susan

Siobhan Tanzer 2014Siobhan Tanzer Office Manager and Personal Assistant to CEO

Siobhan has been a valued member of the CHA team since 2006.

Siobhan is responsible for two key areas: Personal Assistant to the CEO and Office & Accounts Manager.

Previously Siobhan worked, at various levels, in not for profit, community based organisations providing child care. Siobhan is married with five children and three grandchildren.

Contact Siobhan

Patrick Tobin 2014Patrick Tobin    Director of Policy

Patrick joined the team in 2003 as Director of Policy for CHA. In this role, Patrick's work focusses on issues relating to health policy and finance, private health insurance, health system reform, quality and safety and critical infrastructure protection. Prior to joining CHA, Patrick worked for four years at the Australian Medical Association advising on health policy and finance issues. Patrick has also worked at a senior level in Government advising on workplace relations issues.

Patrick has qualifications in law and economics from Monash University.

Contact Patrick

You are here About Staff Profiles