About us
The Research and Guideline Development Unit (RGDU) team is comprised of a wealth of expertise and experience in public health, research and methodology.
Organogram

Dr Keith Ian Quintyne
MBBS MD MPH PgCertMedE AdDipMedL FRCPI FFPHMI FFPH (UK) MCRN: 239386 | UCCDL: 239386
Consultant in Public Health Medicine; Lead for Evidence Based Medicine, Research & Quality Improvement
Dr Keith Ian Quintyne is a Consultant in Public Health Medicine sí Health Protection with HSE Public Health: National Health Protection Office, and previously worked as a CPHM in the Public Health, HSE Dublin and North-East since 2022. He is currently the Air-Quality Lead in the National Health Protection Office Environment & Health Special Interest Group (SIG) and a member of the Air Quality Information Working Group. A medical graduate of the University of the West Indies (Cave Hill), he completed his MD at the University of Limerick then his MPH at the University of Manchester. In addition, he holds Postgraduate Certificate of Medical Education from the University of Dundee, Diploma in Leadership and Quality in Healthcare from the Royal College of Physicians of Ireland and Advanced Diploma in Medical Law from the Kings’ Inns. He holds professional Fellowships with the Royal College of Physicians of Ireland, Faculty of Public Health Medicine of Ireland, and Faculty of Public Health (UK). In his previous roles, he has supported guideline development within Public Health (i.e. infectious diseases, environment & health, and non-communicable diseases) and wider health sector (i.e. National Cancer Control Programme). He is Adjunct Senior Lecturer in Public Health, Royal College of Surgeons in Ireland. He also has several peer-reviewed publications in the areas of infectious diseases and environmental health. https://orcid.org/0000-0002-7519-0000
Dr Randal Parlour
PhD, MSc, BSc (Hons), RMN, RGN
Research & Guideline Development Unit Coordinator
Dr. Randal Parlour is a senior leader with over 30 years of executive experience spanning the health systems of Ireland and the United Kingdom. For much of his career he has served as a critical bridge between academic evidence and clinical practice, transforming complex data into high-impact service improvements. His multi-jurisdictional background provides a unique strategic lens, enabling systemic innovation and collaboration across national borders.
As Coordinator at the Research and Guideline Development Unit: HSE National Health Protection Office, Dr. Parlour is a senior leader with a notable record of driving innovation and excellence in the development of evidence-informed national guidelines and research. By driving systematic processes for evidence synthesis, he ensures that health protection practice remains rooted in rigorous, evidence-informed practice.
Previously, as Director of Research for the Centre for Personalised Medicine, Dr. Parlour led collaborations within the SEUPB Interreg V programme, uniting academic, clinical, and commercial partners. He integrated research into frontline services by implementing a "Living Lab" for emergency surgery, utilising digital decision aids to enhance acute care outcomes and patient safety.
His expertise is anchored by a PhD from Ulster University and dual registration as a Registered General Nurse (RGN) and Registered Mental Health Nurse (RMN). This clinical foundation informs his advocacy for person-centred care. His career is defined by a deep commitment to fostering innovation, leading transformational change, and embedding evidence at the heart of healthcare delivery. His work is marked by a deep commitment to person-centred care, collaborative leadership, and the rigorous application of evidence to improve national health outcomes.
Dr Michelle Williams
PhD, MSc Immunology, BSc (Hons) Microbiology
Senior Researcher and Project Manager
Michelle trained as a microbiologist before entering a career in the Irish public sector. With a longstanding interest in infectious disease and health protection, Michelle achieved an honours Bachelor’s degree in Microbiology from University College Cork in 2014, and a Masters in Immunology from Trinity College Dublin in 2015. From 2015-2018, Michelle completed a PhD at the Moyne Institute for Preventative Medicine in Trinity College Dublin, and was awarded her doctorate in 2019. After a year at the Research, Strategy and Funding Directorate, Health Research Board (HRB), Michelle joined the HRB Evidence Unit and completed a systematic review on international infectious disease legislation and the lessons learned from implementing the WHO International Health Regulations. From early 2020-mid 2022, Michelle worked as a Standards Development Officer at the Health Information and Quality Authority (HIQA). In her role at HIQA, she worked on development and implementation of a prioritisation process, a principles-based framework for health and social care standards, and primary and secondary research to inform upcoming National Standards in Homecare and support services. She is experienced in quantitative and qualitative research methods, evidence synthesis, and implementation science and practice. https://orcid.org/0000-0001-5849-3088
Ms. Claire Gilbourne
MScPH, MTech, BSc (Hons)
Knowledge Management Officer
Claire’s academic qualifications include a BSc. Environmental Science (Hons) (1998), First-Class Honours Masters of Technology in Safety and Ergonomics (2012) and most recently a First-Class Honours Master’s of Science in Public Health (2021) with the Graduate Medical School at the University of Limerick. Claire has significant experience as a Regional Health and Safety Officer and Consultant, and was responsible for the development, implementation and maintenance of a nationally accredited health and safety management system (OHSAS 18001/ISO45001). Claire has extensive experience in undertaking qualitative, quantitative health research and secondary data analysis on a wide range of topics. Throughout her academic and professional roles, Claire has gained significant experience in conducting literature searches and synthesising evidence and has utilised these skills in conducting evidence reviews for the RGDU.
In partnership with the Department of Biological Sciences (University of Limerick), Claire has recently published a systematic review, The impact of exposure to green or blue space on dietary intake and food choices among adults - A systematic review. Claire is also a named author on a “Scoping Review on the Efficacy of Face Masks in Preventing Transmission of COVID-19 among adults in Non-Healthcare settings” and first author on a recent study to Determine health protection research priorities for Ireland.
For further information please contact the Research and Guideline Development Unit at: rgdu@hpsc.ie
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