Christos Katsaros obtained his dental degree from the Aristotle University of Thessaloniki, Greece, and received his four-year orthodontic training at the University of Saarland, Germany, where he also completed his doctoral degree (Dr. med. dent.) and "Habilitation." He worked as a researcher at Göteborg University, Sweden, where he completed an Odont. Dr./ Ph.D. From 2000 to 2002, he served as an Associate Professor and from 2002 to 2008 as a Professor of Orthodontics at the Department of Orthodontics and Oral Biology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands. Since 2008 he has held the position of Professor and Chair at the Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Switzerland.
 

MM Dental Clinic, Center of Implant Dentistry (CID).

Christine Kätzel ist Sportphysiotherapeutin und als Hochschuldozentin für Physiotherapie und Gesundheitsfachberufe tätig. Ihre umfangreiche Expertise und ihren langjährigen Erfahrungsschatz im Bereich Fitnesstraining, Funktionsgymnastik sowie Faszientraining gibt sie seit mehr als 20 Jahren als Ausbilderin von Trainern und Übungsleitern weiter. Die Autorin ist leidenschaftliche Ausdauersportlerin und startete bereits bei vielen Ultra- und Etappenläufen. Zudem ist sie Gründungsmitglied der Marathonabteilung des FC St. Pauli, die sich politisch und sozial verantwortlich engagiert.

Philipp Kauffmann is a senior consultant at the Clinic and Polyclinic for Oral and Maxillofacial Surgery at the University Medical Center in Göttingen, Germany. In addition to being a specialist in oral and maxillofacial surgery, he also holds the additional qualification “Plastic and Esthetic Surgery.” His clinical and scientific activities focus on plastic-reconstructive facial surgery, implantology, and oncology in the field of oral and maxillofacial surgery.

J. Robert Kelly, DDS, MS, DMedSc, teaches graduate prosthodontics and biomaterials at the University of Connecticut Health Center in Farmington, Connecticut. This follows a 21-year career with the US Navy, culminating in a tour as Commanding Officer, Naval Dental Research Institute. Dr Kelly earned his DDS from The Ohio State University, an MS in dental materials science from Marquette University, and a DMedSc in oral biology and a certificate in prosthodontics from Harvard/MIT. He is the incoming chairman of the ADA Standards Commitee on Dental Products, president of the Academy of Dental Materials, and past president of the American Academy of Fixed Prosthodontics, and he has received awards for biomedical research (Harvard), for research and postgraduate education (Association of Military Surgeons of the US), and as a clinician/scholar (American College of Prosthodontists). Dr Kelly has contributed to the dental, engineering, and medical literature, holds eight patents, frequently lectures before national and international dental and engineering organizations, still does some of his own porcelain, and keeps his fingers wet practicing prosthodontics.

Dental studies in Freiburg from 1980 to 1985, completed PhD in 1987, worked in the prosthodontics department of the dental clinic in Freiburg from 1985 to 1991 and 1994 to 1997. Conducted research funded by the German Research Foundation (DFG) at the University of Maryland in Baltimore, USA, from 1991 to 1993. Achieved habilitation in 1995. Appointed as director of the Department of Dental Prosthetics, Propaedeutics, and Materials Science at the Christian-Albrechts-University of Kiel in 1997. Became chairman of the Schleswig-Holstein Society for Dental, Oral and Maxillofacial Surgery (SHGZMK) in 2004. Served as vice president of the German Society of Prosthetic Dentistry and Biomaterials (DGPro) from 2008 to 2012, and as president of the DGPro from 2012 to 2016. In December 2011, became the first German scientist to receive the Schweitzer Research Award from the Greater New York Academy of Prosthodontics (GNYAP). Research interests include adhesive prosthodontics, all-ceramic restorations, implantology, and materials science.

Doctor in dental surgery
Certificate in endodontics, University of Washington, USA
Master of science in dentistry, University of Washington, USA
Adjunct assistant Professor, University of Pennsylvania, USA

Dr. Bertrand Khayat received his DDS degree at the University of Paris. He obtained his Certificate in Endodontics and his Masters of Science at the University of Washington in 1988. A pioneer in the use of the microscope in Endodontics, he also designed several surgical instruments including ultrasonic tips for surgical retropreparation. In addition to his extensive experience and expertise in Endodontic Surgery, he lectures internationally while maintaining his private practice in Conventional and Surgical Endodontics in Paris.

Sandra Tai, BDS, MS, has been an Invisalign certified orthodontist since 2000 and is currently an Invisalign Top 1% Diamond Provider who has treated over 1,500 cases with Invisalign. As an editorial board member for the Journal of Aligner Orthodontics and a member of Align Tech Faculty in North America, she is involved in several clinical research projects and FDA clinical trials with clear aligners. Dr Tai is currently a clinical assistant professor in orthodontics as well as the coordinator for the Invisalign program at the University of British Columbia in Vancouver. She also maintains a busy international lecture schedule, speaking to orthodontists all over the world about clear aligners and their potential. Dr Tai is a Fellow of the College of Dental Surgeons of British Columbia, a Fellow of the Royal College of Dentists Canada, as well as a member of several professional organizations. She is also the founding member and past president of the Orthodontics Ties Seminars Study Club in Vancouver and the Vancouver Invisalign Study Club, where she mentors and trains dentists in the Invisalign system. Dr Tai is the author of the bestselling book Clear Aligner Technique, which has been translated into 10 languages. 

Prof. Dr. Fouad Khoury received his dental education at the Saint Joseph University in Beirut, Lebanon, and his specialization in Oral Surgery at the Universities of Freiburg and Münster, Germany. He was Assistant Professor at the University of Münster, where he completed his PhD and Scientific Habilitation degree. Since 1994, Prof. Khoury has been Full Professor in the Department of Oral and Maxillofacial Surgery of the University of Münster, and Director of the Privatzahnklinik Schloss Schellenstein, Olsberg, Germany. For many years, he has been a visiting professor at several universities, the Chairperson of the Examination Committee for Oral Surgery, and a member of the editorial board of many international journals. Prof. Khoury is currently Chairperson of the Oral and Jaw Surgery Society (AGOKI) of the German Association for Dentistry, Oral and Maxillofacial Medicine (DGZMK), and Associate Editor of the International Journal of Oral Implantology. He has received several awards (eg, the Pioneers in Dentistry award 2016 AUB, and the William R. Laney Award of the American Academy of Osseointegration 2017) and holds many patents. Prof. Khoury is the author and editor of four bestseller textbooks that have been translated into more than 10 languages.

Dr. med. Clemens Kill, Arzt für Anästhesiologie (Zusatzbezeichungen Notfallmedizin, spezielle Intensivmedizin, Schmerztherapie) leitender Notarzt, geschäftsführender ärztlicher Leiter des Zentrums für Notfallmedizin am Universitätsklinikum Gießen und Marburg GmbH, Standort Marburg.