Stefan Renvert holds a position as Professor of Oral Health Sciences at Kristianstad University, Sweden, Honorary Professor at Dublin Dental Hospital, Ireland, HongKong University and Blekinge Institute of Technology, Karlskrona. He was Scientific Chairman for Europerio 5 in 2005, Chairman of Europerio 6 in Stockholm 2009, Scientific Chairman for 2nd Masterclinic in Malta 2017 and 3rd Masterclinic in Hong Kong 2019. He has been Chairman of the Swedish Society of Periodontology and of the EFP. Between 2010 and 2016 Professor Renvert was Secretary General for the EFP. Professor Renvert has published over 200 papers. His research focuses on treatment of peri-implantitis, oral malodor, periodontal health and disease in the elderly population and the association of periodontal disease to general diseases.

David Herrera is a Full-time Professor of Periodontology, Associate Dean for Clinics and Co-director of the EFP Graduate Program in Periodontology, at University Complutense of Madrid (Spain). He is the former President of the Spanish Society of Periodontology, the current President of the Periodontal Research Group of the IADR and past President of the Continental European Division of the IADR.

Prof. Dr. Joerg Meyle is a full professor and head of the Department of Periodontology at the University of Giessen, Germany. He was appointed for life-time position in 1994. Dr. Meyle is a specialist in Periodontology and in implantology, and he received the qualification as an oral surgeon in 1984 at the University of Tuebingen. He is the Past-president of the German Society of Periodontology and the European Federation of Periodontology (EFP), current board member of the EFP and International Academy of Periodontology. He received the honorary memberships from German Society of Periodontology in 2003 and the American Academy of Periodontology in 2015, respectively.

Prof. Jin is a Professor of Periodontology and the Modern Dental Laboratory Professor in Clinical Dental Science at the Faculty of Dentistry, The University of Hong Kong. He was awarded the Fellowship in Dental Surgery (ad hominem) by the Royal College of Surgeons of Edinburgh in 2007. He is a FDI Councillor (2015-2021) and Chair of FDI Global Periodontal Health Project Task Team (2016-2021); Member of the Board of Directors of IADR (2018-2021); and Board Member of International Academy of Periodontology (2012-). He is the former Chair of FDI Science Committee, Immediate Past-President of IADR-Asia Pacific Region, former Chair of IADR-Task Group in Periodontal Disease – Global Oral Health Inequities: The Research Agenda (2009-2012), and Past-President of Asian Pacific Society of Periodontology. He has served on the editorial/advisory boards of J Clin Periodontol (2011-), J Periodontol (2006-), J Periodont Res (2007-) and J Dent Res (2010-2015). His main research projects in periodontal etiopathogenesis, novel care approaches and periodontal medicine have been funded by 10 competitive grants from the Hong Kong Research Grants Council. His team has obtained multiple international prizes. Prof. Jin has delivered 220 invited/keynote lectures nationally/internationally, and published 231 journal papers/book chapters (h-index: 56, i10-index: 147, Google Scholar).