Professor Ioannis K. Karoussis graduated from the Dental School of Athens, Greece, where he also achieved his Master’s degree in Oral Biology. He specialized in Periodontology and Implantology at the Universities of Athens, Greece and Bern, Switzerland, where he also completed his doctoral thesis. He has served as coordinator of the Postgraduate clinic of Periodontology at the University of Athens, as Editor of the Journal Odontostomatological Progress and President of the Hellenic Society for Odontostomatological Research. His private practice in Athens specializes in periodontics and implant dentistry. He has received awards for his research on peri-implantitis and has authored more than 100 papers in peer-reviewed journals as well as four textbooks in the Greek language.

Professor Lang received his dental degree at the University of Berne in 1968 and his Dr. Med. dent. In 1970. After obtaining a Master of Science in Periodontology at the University of Michigan, USA, Professor Lang returned to the University of Berne to earn his PhD in 1978. Currently Professor of Implant Dentistry at the University of Hong Kong, Hong Kong SAR PR China, in the area of oral rehabilitation. Author of over 520 refereed publications and conference proceedings, Professor Lang holds four honorary doctorates as well as honorary memberships of 10 national societies and received Honour’s including the “Prix Louis Metzger” (1968) from the Swiss Dental Association (SSO) and the “Basic Science in Periodontal Disease Award” (1992) from the International Association for Dental Research. Former President of the International Team of Implantology (ITI) and the Swiss Society of Periodontology (SSP). Professor Lang is editor-in-chief of Clinical Oral Implants Research. Professor Lang actively participates in clinical research related to implant dentistry, periodontology, aetiology and pathogenesis of peri-implant infections risk evaluations wound healing and oral microbiology.