Dr. Rechenberg is a senior lecturer at the Division of Endodontology, Clinic for Preventive Dentistry, Periodontology, and Cariology, University of Zurich, Switzerland. He graduated in Germany from the University of Göttingen, School of Dental Medicine. After finishing dental school he worked at the University of Göttingen, and then the University of Zurich, where he received his doctoral degree in dentistry (Dr. med. dent.). In 2012 Dan completed the postgraduate endodontic program at the Univeristy of Zurich, became a certified member of the Swiss Society of Endodontology (SSE), and the European Society of Endodontology (ESE). In 2017 he received the venia legendi (private docent title) from the University of Zurich. Dan is on the editorial board of the International Endodontic Journal and acts as a reviewer for other dental journals. Currently he works part-time at the University of Zurich as Co-Head of the postgraduate endodontic program and in research, where his main research focus is on diagnostics for pulpal and periapical disease. In addition, he maintains a private practice limited to endodontics/apical microsurgery in Zurich. Dan has served as an active member of the ESE Membership Committee since 2017 and has participated in the ESE accreditation process for postgraduate speciality training programmes.

May 1989-Aug. 1994: Study of Dentistry. Oct. 1994-Nov. 2005: Dental Prosthetics at the University of Erlangen. 2005: Habilitation. Dec. 2005-Sep. 2009: Dental Prosthetics at the University of Leipzig. Since Oct. 2009: Dental Prosthetics at the University Clinic Aachen (Director Prof. Dr. S. Wolfart). Since July 2012: W2 Professorship for the Teaching and Research Area of Computer-Aided Dentistry at the Clinic for Dental Prosthetics and Biomaterials.

Dr. Marta Revilla is Faculty and Director of Research and Digital Dentistry at the Kois Center. Dr. Revilla-León obtained her PhD in Prosthodontics and Digital Dentistry at The Academisch Centrum Tandheelkunde (ACTA) University in Amsterdam. She obtained her MSD in prosthodontics at the University of Washington in Seattle and a MS in Esthetic Dentistry at the Complutense University of Madrid. Dr. Revilla-León is specialist in digital dentistry with more than 140 publications in peer-reviewed dental journals in the last 4 years related with facial and intraoral scanning methods, virtual patient integration, digital implant scans with photogrammetry systems, polymer, metal, and ceramic additive manufacturing technologies, development of dental devices with Exocad, 3Shape dental systems, blender and artificial intelligence for dental applications. Prior to this position, Dr. Revilla-León has been the assistant program director in the Advanced Education in General Dentistry at the Texas A&M University in Dallas. Currently, Dr. Revilla is also Affiliate Faculty in the Graduate in Prosthodontic Program at the University of Washington in Seattle and in the Graduate in Prosthodontic Program at Tufts University in Boston.

Chris R. Richardson, DMD, MS, is an adjunct clinical professor in the Graduate Periodontics Clinic at the Virginia Commonwealth University School of Dentistry and president-elect of the American Academy of Periodontology. He serves on the editorial board for The International Journal of Periodontics & Restorative Dentistry, is a fellow of the Virginia Dental Association and the International College of Dentists, and is the recipient of numerous awards, including the 2018 AAP Educator Award at VCU. Dr Richardson maintains a private practice in Richmond, Virginia.

Dr. Domenico Ricucci received his degree in General Medicine from "La Sapienza" University of Rome in 1982, and his DDS from the same University in 1985. Since then on he has maintained private dental practices limited to endodontics. He served in the Research Committee of the European Society of Endodontology from 1999 to 2005. Since 1998 he has run his own histology laboratory and his primary research interest relates to pulpal and periapical tissue reactions to caries and treatment procedures, biofilms in endodontic infections, etiology of RTC treatment failure, pulp regeneration / revascularization. Dr Ricucci has published 112 papers and has lectured both nationally and internationally. He has authored the Textbook and Atlas "Patologia e Clinica Endodontica", the textbook and atlas "Endodontology. An integrated biological and clinical view", also translated into Chinese, Russian, Japanese. He has also authored or co-authored 22 book chapters.

Isabella Rocchietta, DDS, MSc, is an honorary senior research associate to the Department of Periodontology and a lecturer for the Diploma in Implant Dentistry at the UCL Eastman Dental Institute in London. She is an elected board member of the European Academy for Osseointegration and a member of the Experts Council of the Osteology Foundation. She is the author of several national and international peer-reviewed publications and book chapters. Dr Rocchietta performs clinical work limited to periodontics and implant dentistry in London and Milan and lectures internationally.

Dr. Mario Roccuzzo is a Private Practitioner in Turin, Italy. He obtained his DDS Degree with Honors from the Università degli Studi di Torino CIR Dental School and completed his Postgraduate Training in Periodontology at Karolinska Institutet and Università degli Studi di Siena Facoltà di Medicina e Chirurgia. Dr. Roccuzzo is a Member of the European Association for Osseointegration and the American Academy of Periodontology. He has served as the Past President of the Italy Section of the International Team for Implantology and is on the Editorial Board of Clinical Oral Implants Research and the International Journal of Esthetic Dentistry. He has lectured extensively all over the world and is the author of numerous publications in the field of Mucogingival Surgery, Bone Regeneration and Dental Implants.