Professor Yaolong Chen is a guideline methodologist at the Evidence Based Medicine Centre of Lanzhou University. He is the Founding Director of Chinese GRADE Centre and Co-Director of WHO Collaborating Centre for Guideline Implementation and Knowledge Translation. He is also the Chair of GIN Asia (Guideline International Network). He received his Bachelor’s degree in clinical medicine at Lanzhou University, Master’s degree in evidence-based medicine at Chinese Cochrane Centre, and PhD degree in integrative medicine at Lanzhou University. He studied guideline development in McMaster University between September 2010 and March 2011 as a visiting research fellow and worked for the WHO Guidelines Review Committee between September 2013 and March 2014 as a volunteer. Professor Chen is the Co-Founder and Co-Chair of RIGHT (Reporting Items for Practice Guidelines in Healthcare) working group, and the Co-Founder of Practice Guideline Register Platform (http://www.guidelines-registry.org). He has authored and co-authored more than 100 peer reviewed articles on evidence-based medicine, GRADE and practice guidelines. He has been invited to give numerous presentations in Cochrane colloquiums, GIN conferences and other national and international symposiums. He was involved in the development of more than 50 national and international practice guidelines over the last five years. He is also the convener of the Testing Treatments Editorial Alliance (http://www.testingtreatments.org).