Johnny Walker - Medical Entrepreneur - Diagnostic Imaging Specialist

founder and systems architect at Global Diagnostics Ltd



Current location


Work category

Medical and Nursing



Fellowship of The Royal Australian & NZ College of Radiologists (FRANZCR) 1994.
Recipient of The Schering Fellowship: The Royal Post-Graduate Medical School, The Hammersmith Hospital, London. 1994;
Consultant Radiologist Addenbrookes Hospital, Cambridge UK;
Founder of "Imaging the South", ( Western Australia.1995;
Founder of "Global Diagnostics Ltd" ( London, UK 2000 and Ireland 2006.
Partner of Centric Health ( Dublin 2008.

Johnny Walker's Professional Experience

1995 - Present

Global Diagnostics Ltd - Founder & CEO

Founder & CEO of Global Diagnostics Ltd an international teleradiology enterprise with practices in Australia, UK, Ireland and Bahrain linked on a web-based RIS-PACS secure network around the clock around the world.

1995 - Present

Global Diagnostics Ltd - founder and systems architect

Global Diagnostics is an international Telemedicine - Teleradiology enterprise with operations in Australia, UK and Ireland. Global was founded by Dr Johnny Walker is a dual qualified Radiologist & Nuclear Physician in 1995. Global employs 120 people internationally, performing 2500 diagnostic reports per day around the clock around the world utilising a secure web-based RIS-PACS platform to link a Team of Diagnostic Specialists in real-time across multiple timezones and geopgraphies.


Johnny Walker's Education and Qualifications


Bachelor/Degree - , Leadership 4 Growth Program 2009

Stanford University Graduate School of Business


Bachelor/Degree - MBBS, Medicine; Radiology; Nuclear Medicine; Teleradiology

University of New South Wales

Johnny Walker's Additional Information