Who we are

The IDEAL Collaboration is composed of an international group of surgeons and researchers in surgical and other innovative complex interventions, research methodologists, statisticians, journal editors and experts in the translation of research into clinical practice. It consists of a core IDEAL Council who direct the activities of IDEAL and a variety of specialist Advisors.

The Collaboration is coordinated from the University of Oxford, Nuffield Department of Surgical Sciences.

Our address: IDEAL Collaboration, Nuffield Department of Surgical Sciences, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DU, UK

Contact: Allison Hirst, Email: allison.hirst@nds.ox.ac.uk

Core IDEAL Council: The core Council meets quarterly by teleconference to plan and review the activities of IDEAL

ChairPeter McCulloch, Professor of Surgical Science and Practice, Nuffield Dept of Surgical Sciences, University of Oxford, UK




Vice-Chair Art Sedrakyan, Professor of Healthcare Policy & Research and Cardiothoracic Surgery at Weill Cornell Medical College, New York, US



Project Manager/Researcher Allison Hirst, Nuffield Dept of Surgical Sciences, University of Oxford, UK



Education Leads

Joel Horovitz, Senior Vice Chair and Director of the Division of General Surgery at Maimonides Medical Centre, Brooklyn, NY, US



Angelos Kolias, Clinical Lecturer in Neurosurgery,Department of Clinical Neurosciences, Addenbrooke’s Hospital and University of Cambridge, Cambridge, UK




Research Leads:

Jane Blazeby, Professor of Surgery and Honorary Consultant Surgeon, Bristol Centre for Surgical Research, University of Bristol, UK




Maroeska Rovers, Professor of Evidenced-Based Surgery at Radboud University Medical Centre, Nijmegen, Netherlands




Advocacy Lead:   

Arsenio Paez (Development) Arsenio is a physiotherapist with a pediatric private practice in New York. He is a Professor in the Doctoral Program in PT in the Dept of Physical Therapy, Movement, and Rehabilitation Sciences at Northeastern University, Boston, MA, and former Lend Fellow in Neurodevelopmental Disabilities at the Children’s Hospital, Judge Baker Center-Harvard Medical School, Boston. Arsenio recently completed the MSc in Evidence-Based Health Care at the University of Oxford, and is currently reading for the DPhil in Evidence-Health Care, researching implementation fidelity within clinical trials of complex interventions.


Hani Marcus, Academic Consultant Neurosurgeon and Honorary Associate Professor at the National Hospital for Neurology and Neurosurgery and UCL Queen Square Institute of Neurology, London, UK.



Pedro T. Ramirez, Professor, Editor-in-Chief, International Journal of Gynecological Cancer, David M. Gershenson Distinguished Professor in Ovarian Cancer Research and Director of Minimally Invasive Surgical Research & Education, Department of Gynecologic Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, US.


IDEAL China:

Xin Sun, Professor and Director of the Chinese Evidence-based Medicine Center, West China Hospital, Sichuan University, China




Advisors to the IDEAL Council:  Advisors serve up to 3 years in the role. They receive documentation pertaining to all Council teleconferences and are given the opportunity to join calls and advise on their particular areas of expertise and interest.

David Beard, Professor of Musculoskeletal and Surgical Science & Fellow of Kellogg College Director, Royal College of Surgeons Surgical Intervention Trials Unit [SITU (NDORMS)] Nuffield Dept of Orthopaedics, Rheumatology and Musculoskeletal Sciences,  University of Oxford, UK


Bruce Campbell, Honorary Professor, Consultant Vascular Surgeon, University of Exeter Medical School, UK. Non-Executive Director of the Medicines and Healthcare products Regulatory Authority (MHRA). Past Chair NICE Interventional Procedures and Medical Technologies Advisory Committees (Evidence for evaluation of new medical devices).


Marion Campbell, Vice Principal (Research) & Prof of Health Services Research, Health Services Research Unit, University of Aberdeen, UK




Tammy Clifford, Vice President, Research Programs at Canadian Institutes of Health Research, Ottawa, Canada, Adjunct Professor, School of Epidemiology & Public Health, University of Ottawa, and Deputy Editor, International Journal of Technology Assessment in Health Care



Andrew Cook, Associate Director at the Southampton Clinical Trials Unit, University of Southampton, UK. Consultant in Public Health Medicine and Fellow in Health Technology Assessment, National Institute for Health Research  Evaluation, Trials and Studies Coordinating Centre, University of Southampton,  and Vice-Chair of NICE’s Interventional Procedures Advisory Committee


Philipp Dahm, Coordinating Editor, Cochrane Urology, St. Paul Area Medical Practice, Minnesota Department of Veterans Affairs, University of Minnesota, US



Justin Dimick, Professor of Surgery and Health Management & Policy, George D. Zuidema Chair in Health Services Research, Chief, Division of Minimally Invasive Surgery, Director, Center for Healthcare Outcomes & Policy, Department of Surgery, University of Michigan Health System, US



Carl Heneghan, Professor of Evidence-Based Medicine, Director of CEBM, NHS Urgent Care GP, Editor in Chief, BMJ EBM and NIHR Senior Investigator, Nuffield Dept of Primary Care Health Services, University of Oxford, Oxford, UK


Guy Maddern, RP Jepson Professor of Surgery, University of Adelaide Discipline of Surgery, Faculty of Health and Medical Sciences, Clinical Director Surgical Services, Central Adelaide Local Health Network, The Queen Elizabeth Hospital, Woodville, South Australia, Australia


Danica Marinac-Dabic, Director of the Division of Epidemiology in the Office of Surveillance and Biometrics Center for Devices and Radiological Health, FDA, US



Wendy Rogers, Professor of Clinical Ethics at Macquarie University and Deputy Director of the Macquarie University Research Centre for Agency, Values and Ethics.



Fei Shan, Senior Consultant Surgeon, Gastrointestinal Cancer Centre, Peking University Cancer Hospital & Institute, Beijing, China



Sarah Squire, Research Assistant, Department of Physiology, Anatomy and Genetics, Henry Wellcome Building of Gene Function, University of Oxford. Following stoma surgery in 2007, Sarah became involved in patient support and advocacy.  She sits on a number of clinical trial steering committees, is a member of the Patient Liaison Group, Association of Coloproctology of Great Britain and Ireland (ACGBPI), patient representative on the Specialist Colorectal Clinical Reference Group and a trustee of Colostomy UK. Sarah is passionate about patients having a voice to influence in a positive way future research, and ensure the needs of patients; current and future are both met and improved on


Bill Summerskill, Consulting Editor, The Lancet ( Interests: Research design and publication)




Founding Steering Group to 2019

  • Riaz Agha, London, UK
  • Doug Altman, Oxford, UK
  • Jeffrey Barkun, Montreal, Canada
  • Bruce Campbell, London, UK
  • Jonathan Cook, Aberdeen, UK
  • Philipp Dahm, Minneapolis, USA
  • Patrick Ergina, Montreal, Canada
  • Paul Glasziou, Brisbane, Australia
  • Muir Gray, Oxford, UK
  • Carl Heneghan, Oxford, UK
  • Sally Hopewell, Oxford, UK
  • Sean Kehoe, Birmingham, UK
  • Guy Maddern, Adelaide, Australia
  • Bill Summerskill, London, UK

IDEAL Specialty Leads

IDEAL specialty leads are active researchers involved in particular clinical areas whose role is to help promote and develop IDEAL methodology in their clinical field.

  • Neurosurgery: Angelos Kolias, Lead, British Neurosurgical Trainee Research Collaborative and Academic Clinical Registrar in Neurosurgery, Addenbrooke’s Hospital and University of Cambridge
  • Urology: Philipp Dahm, Professor of Urology, University of Florida
  • Obstetrics and Gynaecology: Sean Kehoe, Lawson Tait Professor of Gynaecological Cancer at the University of Birmingham and a Senior Research Fellow at St Peter’s College, Oxford
  • Plastic, Reconstructive and Aesthetic Surgery: Riaz Agha, Guy’s and St Thomas’ NHS Foundation Trust, London and Balliol College, University of Oxford (Clarendon Scholar).

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