Editorial Team

Co-ordinating Editors, Canada Team

Paul Moayyedi, Canada
Dr Paul Moayyedi qualified from Bristol University and obtained a PhD and Masters in Public Health from the University of Leeds.  He moved to McMaster University in 2004 and was Director of the Division of Gastroenterology at McMaster in 2006-2017. He holds the Audrey Campbell Chair of Ulcerative Colitis Research and is currently the Assistant Dean of Research at McMaster University. He has published over 400 peer-reviewed articles on all aspects of gastroenterology. His articles have been cited over 54,000 times with an h index of 110. He is the nominated principle applicant of the IMAGINE network that aims to evaluate how the diet and microbiome impact on inflammatory bowel disease, irritable bowel syndrome and associated psychological disorders.  

Dr. Moayyedi was Co-Editor in Chief of the American Journal of Gastroenterology 2010-2015. He was involved in the Upper GI and Pancreatic Disease Cochrane Review Group since its inception and was the joint Coordinating Editor of the group since 2006 until this merged with the IBD group to form the Cochrane Gut Review Group.

Grigorios Leontiadis, Canada
Dr. Grigorios Leontiadis is a Professor of Medicine at the Division of Gastroenterology at McMaster University and Consultant in Adult Gastroenterology at Hamilton Health Sciences in Hamilton, Ontario, Canada.

He qualified from Aristotle University of Thessaloniki, Greece and was awarded a PhD from the Democritus University of Thrace, Greece. He moved to McMaster University in 2008. He is a Full Member of the Farncombe Family Digestive Health Research Institute and a member of the GRADE Working Group. He has been a member of the editorial team of the Upper GI and Pancreatic Diseases Cochrane Review Group since 2005, as Editor (2005-2008), Deputy Co-ordinating Editor (2008-2010), and Joint Coordinating Editor (2010-2020, until it merged with the IBD group to form the Gut Group). He is Associate Editor for systematic reviews for the American Journal of Gastroenterology and the Journal of Canadian Association of Gastroenterology. He is a member of the Guideline Committee of the World Organization of Gastroenterology and a guideline methodologist for the American Association of Gastroenterology, the American College of Gastroenterology, and the Canadian Association of Gastroenterology (CAG). He served as Lead for Practice Affairs at CAG, responsible for clinical practice-related issues, including clinical practice guidelines. Since 2018 he is VP for Clinical Affairs at CAG, overseeing Practice Affairs, Endoscopy, Regional Representation and Pediatric Gastroenterology. He is a member of the Hamilton Integrated Research Ethics Board. 

Dr. Leontiadis' clinical and research interests include peptic ulcer disease, gastric acid suppression, H. pylori infection, gut microbiome, IBD, research and publication ethics, evolutionary medicine, systematic review and meta-analysis methodology, and clinical practice guideline methodology. He has published more than 110 peer-reviewed articles that have been cited more than 10,000 times with an h index of 43.

Frances Tse, Canada
Dr. Frances Tse is a Professor at McMaster University and a Consultant in Adult Gastroenterology at Hamilton Health Sciences, Ontario, Canada. As the Chief of Service for the Division of Gastroenterology at McMaster University, she is also responsible for planning and coordinating inpatient and outpatient Gastroenterology/Endoscopy services at Hamilton Health Sciences, as well as overseeing the clinical operations and medical quality of care within the Division of Gastroenterology. She has been an Editor for the Cochrane Upper Gastrointestinal Pancreatic Diseases Group (UGPD) for ten years and has published a number of systematic reviews and meta-analyses in the area of post-ERCP pancreatitis. Frances now serves as a coordinating editor of the Cochrane Gut Group based at McMaster University. At the national level, she is the Practice Affairs Lead of the Canadian Association of Gastroenterology (CAG) and is responsible for guideline development using the GRADE methodology. She has been a lead methodologist in many international clinical practice guidelines over the past ten years, including inflammatory bowel disease, colorectal cancer screening, upper gastrointestinal bleeding, bile acid diarrhea, dysphagia, and wireless capsule endoscopy. 

Co-ordinating Editors, UK Team

Morris Gordon, UK

Professor Gordon is a consultant Paediatrician working in the North West of the UK. Clinical work includes acute on call and resident Paediatric duties. Additionally, substantial contribution to community and school based neurodisability services on the Fylde coast, including the formation of a neurodisability pathway and complex difficulties panel to ensure national guideline compliance and offering assessment of over 900 children in the first 2 years of operation. Between 2016 and 2020 he was the strategic quality lead for the trust. With a remit focused on 9 key mortality conditions, he has led an enhancement and transformation program that has reduced the standardized mortality for sepsis by 60% and moved the trust performance from third from bottom in the country to the top quartile.

Professor Gordon has a clinical and academic sub-interest in Gastroenterology. He has worked on many Cochrane and none Cochrane systematic reviews on various adult and paediatric topics and led to change in national guidance on areas such as IBD and functional bowel disease. He has been involved on over 40 Cochrane reviews and published 120 peer reviewed papers.

He is also the executive chair of the Best Evidence Medical Education Collaboration (BEME), leading 20 centres with hundreds of contributors in dozens of countries to produce best evidence in health education topics.

He was appointed Professor of Evidence Synthesis and systematic review in 2018.He has delivered training and workshops on evidence synthesis and systematic review in over a dozen events to over 1200 people in the last 3 years, with 20 completing and publishing systematic reviews already. He was an editor of Cochrane IBD from 2016 before taking on the role of one of the co-ordinating editors of Cochrane Gut in 2020.

Anthony Akobeng, Qatar

Anthony Akobeng, MD is a Professor of Clinical Pediatrics at the Weill Cornell Medical College and a Senior Attending Physician in Pediatric Gastroenterology at the Sidra Medical & Research Centre in Doha, Qatar. He received his MB ChB degree at the University of Ghana and his MD and MPH degrees from the University of Manchester, UK. He completed his residency and fellowship training in the UK and holds a UK Certificate of Completion of Specialist Training in both Pediatrics and Pediatric Gastroenterology. He is a Fellow of the UK Royal College of Pediatrics and Child Health, a Fellow of the Ghana College of Physicians and Surgeons, and a Member of the British Society of Pediatric Gastroenterology, Hepatology, and Nutrition. He has delivered excellence in both academic and clinical roles at a senior level. He has significant post-doctoral experience with a proven track record of strong leadership and ability to bring change. He has good communication skills and an appreciation for constructive feedback. He has extensive experience in looking after children and adolescents with gastrointestinal disorders and enjoys an excellent national and international reputation as an expert in gastrointestinal diseases in general, and in inflammatory bowel disease in particular. He has great experience in learning and teaching with proven leadership in both undergraduate and postgraduate teaching. He has a strong track record in research including obtaining funding for research. His research interests are multi-disciplinary and clinically oriented.

He has been the principal investigator or co-investigator for a number of primary and secondary research programs. He has collaborated with regional, national, and international researchers on a number of projects including translational research, randomized controlled trials and has published widely. His current areas of research include inflammatory bowel disease, functional genomics, intestinal microbiota in chronic diseases, personalized medicine, systematic reviews and meta-analysis. He is a longstanding advocate of evidence-informed health decision-making and has collaborated with national and international researchers to produce systematic reviews and other synthesised research evidence in many important clinical areas. As a Coordinating Editor of the Cochrane Gut Group, and previously an Editor of the Cochrane Inflammatory Bowel Disease and Functional Gastrointestinal Disorders Group, he supports the editorial evaluation of Cochrane reviews and contributes to the Cochrane Database of Systematic Reviews, a frequently cited key resource. He has been a frequent invited speaker and moderator at several national and international meetings.

Managing Editor, Canada Team


Managing Editor, UK Team

Ghazaleh Aali, UK

Information Specialist, Canada Team

Yuhong (Cathy) Yuan, Canada
Dr. Cathy Yuan was a Gastroenterologist and a lecturer at Sun Yet-sen University of Medical Science in Guangzhou, P.R. China, with an M.D., M.Sc., and Ph.D. She then undertook post-doc training in the Netherlands and the U.K. for two years. Cathy immigrated to Canada in 2001. She pursued her second Master’s degree in Clinical Epidemiology at McMaster University in 2005 while working as a research fellow. Since then, she has been working as a research associate and a health research methodologist at the Department of Medicine, McMaster University. She has been involved in numerous research projects and has contributed to clinical guideline development; she has co-authored over 200 medical papers/ book chapters and over 130 conference proceedings (with an h-index of 47). Cathy has collaborated with prestigious researchers and has helped train junior researchers around the world. She is currently a Guidelines Office Methods Committee member for the European Association of Urology (EAU), an international editorial board member for a high-ranking medical journal AP&T, and an invited reviewer for several high-impact medical journals.

Since 2014, Cathy was the Cochrane Information Specialist (CIS) for Cochrane UGPD, and is now the CIS for Cochrane Gut. In addition, Cathy was the Managing Editor for Cochrane Upper Gastrointestinal and Pancreatic Diseases (UGPD) from 2018, until Cochrane Gut was formed in June 2020 by the merger of Cochrane UGPD and Cochrane IBD; Cathy was the Managing Editor for Cochrane Gut from June 2020 to May 2021. 

Information Specialist, UK Team

To be confirmed.

Senior Statistical Editor

Sarah Rhodes, UK
Sarah Rhodes MSc is a Research Fellow in the Centre for Biostatistics at the University of Manchester, UK. Sarah supports researchers looking for research grants as part of the NIHR Research Design Service, and is lead statistician on a number of externally funded trials and systematic reviews. Sarah has a keen methodological interest in the design, analysis and synthesis of cluster randomised trials, and also teaches on the Evidence-Based Practice course as part of a Masters in Public Health.

Feedback Editor

Javier Gisbert, Spain


  • Alan Barkun, Canada
  • Alexander C Ford, UK
  • Javier Gisbert, Spain
  • Kurinchi Gurusamy, UK
  • Colin W Howden, USA
  • Pieter Hyndryckx, Belgium
  • Takeshi Kanno, Japan
  • John Marshall, Canada
  • Mahmoud Mosli, Saudi Arabia
  • Rapat Pittayanon, Thailand
  • Laurent Peyrin-Biroulet, France
  • Sarah Rhodes, UK (Statistical Editor)
  • James M Scheiman, USA
  • Mahdi Sepidarkish, Iran (Statistical Editor)
  • Huan Song, Sweden (Statistical Editor)
  • Philippe Tadger, Belgium (Statistical Editor)
  • Mohammad Yaghoobi, Canada
  • Yuhong Yuan, Canada


Neel Sharma, UK

Consumer Reviewers

  • Alfretta Vanderheyden
  • Marilyn Walsh
  • Alysia De Nino
  • Katherine Mason
  • Emma Neary
  • Jeanette Van Roosmalen
  • Sandra Zelinsky
  • Kimberlee Daley
  • Doug MacKay

Past Consumer Reviewers

  • Frances J Kellie