Global Diagnostics is an Irish owned international award winning radiology services provider employing over 60 staff
members in Ireland alone. We deliver managed service solutions to public and private hospitals, and have direct to
patient services in 3T MRI, Ultrasound and X-Ray.
We are a clinically led, patient focused organisation. We are industry experts, radiologists, radiographers, sonographers
and ICT professionals. Our proven track record shows improvement in access for patients through the resolution of traditional
radiology bottle necks and workflow inefficiencies, while simultaneously reducing costs for the hospital.
Our clients range from large tertiary hospitals to small standalone medical facilities.
Meet our Management Team
David Sheehan Managing Director
David is CEO of Global Diagnostics. Having started his career in the sectors of investment banking and corporate
finance, David joined a client newspaper publisher and contract printing business in 2004 which he managed as Chief
Operating Officer for 4 years.
David holds a BA (Mathematics, Economics) and MA (Economics) from University College Dublin.
David was appointed CEO of Global Diagnostics in early 2010 and was previously Chief Operating Officer of Centric
Health since 2008.
Caroline Byrne General Manager
Caroline joined the Global Diagnostics Irish team in October 2013. She is an experienced healthcare manager with
12 years of diverse practical experiences gained in clinical business management and project management roles. Caroline
previously worked as project manager for our Primary Care division in Centric Health, managing primary care development
builds both in green field sites and upgrade building works on existing primary care facilities in Centric Health.
She has extensive experience in medical facility design and layout, workflow, process mapping and change management,
regulatory compliance, accreditation, patient safety and risk management. Caroline is currently completing her MSc
in Quality & Safety in Healthcare Management (2016) with the RCSI.
Dr Marie-Louise Butler Clinical Quality Advisor
Marie-Louise is a radiography graduate of University College Dublin. Marie-Louise joined Global Diagnostics as Clinical
Coordinator in 2009 after working in SwiftCare clinics for the previous 3 years.
Her primary role is to mentor and develop staff skills and education and deals primarily with clinical issues.
She combines her work with Global Diagnostics with working as a lecturer and researcher in University College Dublin.
Catriona Fay Radiology Services Manager
Nicola Jensen Radiology Services Manager
Nicola trained as a Radiographer at the Queensland University of Technology in Australia and went on to work in rural
communities throughout South Australia.
She worked closely with the Royal Flying Doctors and other major trauma hospitals using TeleRadiology to provide
clinical care to those in remote areas. After completing her Post Dip Cert in Computed Tomography she moved to the
green isle and undertook MRI training programme and Leadership studies.
The newest addition to the Global Diagnostics Management Team, Nicola brings an expanse of clinical knowledge and
operational prowess to hospital contracts and patient services.
Rosie Byrne Operations Manager
Our Operations Manager, Rosie Byrne, has over 10 years’ management experience working in the tourism and hospitality
sectors and joined the growing Global management team in December 2016. Rosie has a degree in languages with computing
from the University of Limerick, and manages all operational and systems aspects of the Global business.
Lynsey Jones Finance Manager
Lynsey joined Global Diagnostics in February 2014. New to the healthcare industry, Lynsey is involved in both the
Irish and UK businesses as well as Global’s digital retinopathy screening business, Global Vision.
Lynsey hailed from the aircraft leasing industry, having qualified as an ACCA Accountant post BBS in 2004.
Sarah Johnson Ultrasound Services Manager
Sarah joined the Global team in March 2017 as Ultrasound Services Manager to lead the various and increasing ultrasound
clinics, sonographer services and DDH (developmental dysplasia of the hips) clinics that Global Diagnostics provide
privately and publically nationwide.
Sarah has extensive experience in DDH clinics having helped establish one of the first centres in Ireland for implementing
early diagnosis and management of hip dysplasia in infants.