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.


Dr Paul Walker, Board Chairman

Dr Walker is an experienced radiologist who is also qualified in Nuclear Medicine. Paul has an extensive history in leading radiology practices in regional Victoria, having founded Warrnambool, Wimmera and Colac Radiology before becoming Managing Radiologist at The Northern Hospital, Epping.

Currently, Paul chairs the Board of Keystone Radiology and those of several other radiology businesses in which he has interests, including Alpenglow Australia and Specialist Radiology Greenlane NZ.


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.

High ST Xray Shepparton Nuclear Medicine Sovereign Radiology Keystone Radiology
Site map / Privacy policyCopyright © 2015 Keystone Radiology