Editorial Team

Co-ordinating Editors

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 is 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 Leonitiadis, Canada
Dr. Grigorios Leontiadis is an Associate 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 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 an Associate 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 10 years and has published a number of systematic review and meta-analyses in the area of post-ERCP pancreatitis. She 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 10 years including inflammatory bowel disease, colorectal cancer screening, upper gastrointestinal bleeding, bile acid diarrhea, dysphagia, and wireless capsule endoscopy. 

Morris Gordon, UK

Anthony Akobeng, Qatar

Feedback Editor

Javier Gisbert, Spain


  • 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
  • James M Scheiman, USA
  • Huan Song, Sweden
  • Mohammad Yaghoobi, Canada
  • Yuhong Yuan, Canada

Managing Editor

Teo AW Quay, Canada

Teo Quay completed her Masters' degree at the University of British Columbia in 2014. Afterwards, she joined CADTH (the Canadian Agency for Drugs and Technologies in Health), where she held various research and management positions in evidence synthesis and policy. In 2019, Teo joined Cochrane as the Managing Editor for two Review Groups - Cochrane Anaesthesia & Cochrane Emergency and Critical Care, based in Copenhagen, Denmark. After returning to Canada, she joined Cochrane Gut as Managing Editor. Teo has a special interest in research priority setting, health communication, and knowledge translation. 

Information Specialist

Yuhong (Cathy) Yuan, Canada
Dr. Cathy Yuan was a Gastroenterologist and a lecturer in Sun Yet-sen University of Medical Science in Guangzhou, P.R. China, with an M.D., an M.Sc. degree and a Ph.D. degree. She then undertook post-doc training in the Netherlands and the U.K. for a total of 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. She has been working as a research associate and a health research methodologist at the Department of Medicine, McMaster University since then. She has been involved in a numerous research projects and has contributed to clinical guidelines development; she has co-authored over 160 medical papers and over 110 conference proceedings with a H-index 32. 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.

Cathy was the managing editor for Cochrane Upper Gastrointestinal and Pancreatic Diseases (UGPD) since 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 Jan 2021. Cathy is a Cochrane information specialist since 2014 for Cochrane UGPD then for Cochrane Gut.

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.


Neel Sharma, UK

Consumer Reviewers

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