Who we are

Professor Paula Williamson (Chair)

Paula Williamson is Professor of Biostatistics, and was appointed as APVC for Strategy and Policy in the Faculty of Health and Life Sciences in 2018. She is Lead for the MRC/NIHR Trials Methodology Research Partnership (TMRP). She was Head of the Department of Biostatistics, 2002-2018, and Director of the Clinical Trials Research Centre, 2005-2018. Paula chairs the University of Liverpool’s Health and Biomedical Informatics Group. Paula co-founded and has led the COMET (Core Outcome Measures in Effectiveness Trials) Initiative since 2010. She was appointed as an NIHR Senior Investigator in 2014, gave the Bradford Hill Lecture in 2017, and was elected to the Academy of Medical Sciences in 2018.

Dr Sarah Gorst (COMET Initiative Project Coordinator)

Sarah Gorst is a Senior Research Associate based in the Department of Health Data Science at the University of Liverpool. Sarah joined the COMET team in January 2015 and took on the COMET Project Coordinator role in August 2020. She leads the annual systematic review of core outcome sets (COS) and maintains the COMET database (http://www.comet-initiative.org/studies/search), through the registration of ongoing and published projects relating to the development and uptake of COS. Sarah has been involved in the development of several COS and recently led on the methodology for the development of a core outcome measurement set for post-covid-19 condition (Long COVID). Some of her current projects involve helping to reduce unnecessary duplication of COS, designing a massive open online course for COS uptake by clinical trialists, formulating guidance relating to how to measure outcomes included in COS. Sarah is a National Institute for Health and Care Research (NIHR) Research Support Service (RSS) advisor on COS development.

Mrs Heather Barrington (COMET People and Patient Participation, Involvement and Engagement (PoPPIE) Working Group representative)

Heather is Patient and Public Involvement (PPI) co-ordinator with The COMET Initiative. Heather originally trained as a nurse but has worked in research, health service improvement and PPI for the majority of her career. Heather has also been a public contributor in research for many years and attended the first COMET meeting in that capacity.  She is a member of The COMET People and Patient Participation, Involvement and Engagement (PoPPIE) Working Group and is currently undertaking a PhD in relation to patient participation in core outcome set studies.

Professor Jane Blazeby

Jane Blazeby is Professor of Surgery at the University of Bristol and an Honorary Consultant Surgeon at University Hospitals Bristol NHS Foundation Trust.  She studied Medicine at the University of Bristol, undertook higher surgical training in the South West of England. She was an MRC Clinician Scientist between 2000 and 2006. Jane aims to establish evidence-based surgical practice in the UK. She is achieving this by leading and supporting research to improve methods to evaluate surgical interventions. She works with surgeons across the country to design and deliver studies with integrated novel methods. She also is investing in and developing a new generation of surgeons who understand and can lead future studies.

Jane directs the Bristol Centre of Surgical Research. The Centre includes the Surgical Innovation theme of the Bristol Biomedical Research Centre and Royal College of England Surgical Trials Centre. For the past decade it also included the MRC Hub for Trials Methodology Research. Jane is Chief Investigator of the NIHR HTA By-Band-Sleeve study in bariatric surgery. She supports new chief investigators to gain funding to deliver surgical trials. She has a long-standing interest in patient reported outcomes research and she is a member of the Core Outcome Measures in Effectiveness Trials (COMET) management group.

Professor Mike Clarke

Mike Clarke is Chair of Research Methodology and Director of the Northern Ireland Methodology Hub at Queen’s University Belfast and Director of the Northern Ireland Clinical Trials Unit. He has more 30 years’ experience in rigorous assessments of the effects of health and social care, including work on many randomised trials and systematic reviews. As well as his work on core outcome sets and COMET, Mike’s methodology research includes helping to establish the SWAT (Study Within a Trial) initiative (go.qub.ac.uk/SWAT-SWAR) and he is Co-ordinating Editor of the Cochrane Methodology Review Group. Mike has a strong interest in increasing capacity for the conduct and use of research and is a founder and Research Director of Evidence Aid, improving access to research that is relevant to disasters and humanitarian emergencies.

Dr Sean Tunis

Sean Tunis, MD, MSc. is a Principal with Rubix Health where he consults with public and private sector organizations on issues at the interface of regulatory and reimbursement policy, market access, comparative effectiveness, outcomes measurement and health technology assessment.  Dr. Tunis is also the Founder and Senior Strategic Advisor with the Center for Medical Technology Policy in Baltimore, Maryland.  CMTP is an independent, non-profit organization that provides a neutral platform for multi-stakeholder collaborations that are focused on improving the quality, relevance, and efficiency of clinical research.  Dr. Tunis is the immediate past President of Health Technology Assessment International.

Through September of 2005, Dr. Tunis was the Director of the Office of Clinical Standards and Quality and Chief Medical Officer at the Centers for Medicare and Medicaid Services (CMS).  In this role, he had lead responsibility for clinical policy and quality for the Medicare and Medicaid programs.  Dr. Tunis supervised the development of national coverage policies, quality standards for Medicare and Medicaid providers; quality measurement and public reporting initiatives, and the Quality Improvement Organization program.  As Chief Medical Officer, Dr. Tunis served as the senior advisor to the CMS Administrator on clinical and scientific policy.  He also co-chaired the CMS Council on Technology and Innovation.

Dr. Tunis joined CMS in 2000 as the Director of the Coverage and Analysis Group.  Before joining CMS, Dr. Tunis was a senior research scientist with the Technology Assessment Group, where his focus was on the design and implementation of prospective comparative effectiveness trials and clinical registries.  Dr. Tunis also served as the Director of the Health Program at the Congressional Office of Technology Assessment and as a health policy advisor to the U.S. Senate Committee on Labor and Human Resources, where he participated in policy development regarding pharmaceutical and device regulation.

He received a B.S. degree in Biology and History of Science from the Cornell University School of Agriculture, and a medical degree and masters in Health Services Research from the Stanford University School of Medicine.  Dr. Tunis did his residency training at UCLA and the University of Maryland in Emergency Medicine and Internal Medicine.  He is board certified in Internal Medicine and holds adjunct faculty appointments at Johns Hopkins, Tufts and the University of California San Francisco Schools of Medicine.

Professor Caroline Terwee

Caroline Terwee, PhD, is full professor of Outcome Measurement in Healthcare at the Department of Epidemiology and Data Science of the Amsterdam UMC, Vrije Universiteit Amsterdam and the Amsterdam Public Health research institute. She conducts methodological and applied research on the selection and standardization of relevant outcomes and valid and reliable measurement instruments for research and healthcare. She is one of the founders of the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) initiative, an international group that develops consensus-based methodology and practical tools to select outcome measures for research and clinical practice. Caroline is past president of the international PROMIS Health Organization (PHO), which aims to advance the science of health outcomes by promoting widespread use and adoption of PROMIS in research and clinical care.

Professor Jamie Kirkham

Jamie Kirkham is a Professor of Biostatistics, and Head of Division for Population of Health, Health Services Research and Primary Care at The University of Manchester. Prior to moving to Manchester in 2019, Jamie was a Senior Lecturer at the University of Liverpool where he worked alongside the COMET Initiative on guidance documents for COS developers. Jamie had continued working in the field of COS development and was the lead methodological advisor for the C3 (Chord Cousin Collaboration) during its start-up period. Jamie is currently leading a workstream as part of an NIHR Global Health Unit, looking at the uptake of LMiC participants within the COS development process. Outside his COS work, Jamie is also a statistical editor for BMJ.

Dr Ian Saldanha

Ian Saldanha is Associate Professor of Epidemiology (Primary) and Health Policy and Management (Joint) at the Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland, USA. He has an MPH and a PhD in epidemiology from Johns Hopkins and an MBBS from Grant Medical College, Mumbai, India. He is an epidemiologist who focuses on evidence synthesis to inform decision-making and is very interested in outcomes. He has developed and advanced methods to improve the conduct of systematic reviews. He has served on multiple Committees of the National Academies of Sciences, Engineering, and Medicine. He is an elected member of the Society for Research Synthesis Methodology. Dr. Saldanha has taught multiple courses and workshops related to epidemiology, outcomes, biostatistics, clinical trials, systematic reviews, and meta-analysis at undergraduate, graduate, and mid-career professional levels. Dr. Saldanha also holds a joint appointment as Associate Professor of Health Services, Policy, and Practice in the Center for Evidence Synthesis in Health at the Brown University School of Public Health in Providence, Rhode Island.

COMET PoPPIE Working Group

The COMET People and Patient Participation, Involvement and Engagement (PoPPIE) working group lead and oversee the public participation, involvement and engagement work of the COMET Initiative.

The current members of the PoPPIE working group include:

You can read more about the PoPPIE Working Group members here.