Executive and Support Staff


While clinical radiology is the unwavering focus of our business, Keystone Radiology recognises that both clinical and corporate governance is important in ensuring that we are a trustworthy and reliable provider, employer and business partner. We believe that having the right people in leadership positions is an important starting point for this.

Mark Patterson, Non Executive Director, Board Chair

Mark Patterson is an experienced board director and senior management executive who has a strong background in health industry governance that included a nine-year term as a board director at Ballarat Health Services – including the role as Chairman of its Quality Care committee.

Mark is an Executive Manager with the Ballarat City Council where he heads the Sport and Active Living portfolio that is focussed on promoting healthy lifestyles and physical activity in the community. Mark has also held positions of Chief Executive of several community-based organisations including the AFL Club Western Bulldogs.

Mark currently serves several community boards including the Ballarat Health Services Foundation – an independent body responsible for assisting the fundraising program for the Base Hospital and is also a board member of Ballarat and Clarendon College and he is Chair of its property and infrastructure committee.

Mark has a strong desire to ensure that the board remains focussed on ensuring that at Keystone we put our clients and staff at the centre of all that we do.

Joelle Tabone, Non Executive Director

Joelle Tabone is a Partner at HLB Mann Judd within the Business Advisory Division.  As a Chartered Accountant with over 20 years’ experience, Joelle provides advice and services to a wide range of corporate, international, not for profit and family owned organisations.

Joelle is also a regular participant on Boards and Advisory Boards, including a Non-executive director of Keystone Radiology Pty Ltd, Ardoch Youth Foundation and is an advisory member of the Moreland City Council Audit and Risk Committee.

She is a member of Family Business Australia and a Graduate of the Institute of Company Directors.

Justin Mottram, CEO

Justin is a health service executive with approximately 20 years’ experience in the radiology industry. Originally trained as a medical imaging technologist and sonographer, Justin completed further studies in business management in Australia and overseas.

He has worked extensively for national corporate health providers and is now enjoying being part of an organisation that is focused on providing outstanding patient care to regional areas.

Support Staff


Brian Chapman, Radiology Support Officer

Brian is an administrator who has worked in the radiology industry for nearly 25 years, both in the public and private sectors. During this time he has fulfilled many roles, from radiography assistant, to book-keeper and office manager. Brian is responsible for Keystone’s radiologist registration, credentialing and rostering, and also has a special interest in our information technology platform.

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