Dr. Paul Sipos MSc. works as a periodontist and implant dentist at the Center for Implantology and Periodontology Amstelveen The Netherlands. His office maintains a SPSS database with over 16.000 implant treatments. He started his career as a dentist and periodontist for the Royal Netherlands Navy Dental Services and received periodontal training at the the National Naval Medical Center in Bethesda, Maryland (USA) and Academic Center for Dentistry Amsterdam (ACTA). He has published and co-authored several articles on periodontal and implant related subjects. He held the position as chairman of the Dutch Society of Periodontology (NVvP) and representative for the European Federation of Periodontology (EFP). His special interest lies in the field of soft and hard tissue maintenance and reconstruction.

Dr Siqueira is Professor of the Postgraduate Program in Dentistry, Grande Rio University, Rio de Janeiro, and Professor and Chairman of the Dental Research Group, Iguaçu University, Nova Iguaçu, RJ, Brazil. He has authored 11 books on endodontics, microbiology, and immunology and also several chapters for leading international endodontic textbooks. Dr Siqueira is one of the most prolific authors in dentistry, having published more than 400 scientific papers. He is the recipient of the 2014 Louis I. Grossman award from the American Association of Endodontists and the 2012 Louis I. Grossman award from the French Society of Endodontics. He currently serves as a member of the editorial board of several international journals for which he is also a reviewer. Dr Siqueira actively lectures on the subject of endodontics worldwide.

Christoph T. Sliwowski studied Dentistry in Warsaw (graduating in 1982). He has been practicing in Germany since 1987. Since 1989, his main interest has been implantology. In 1995, he took his doctorate in this subject with Prof Hubertus Spiekermann in Aachen; since 1997, his main focus of activity has been in implantology, and since 2003 he has been an Accredited Implantology Specialist with the German Society for Dental Implantology (DGZI) and the European Association of Dental Implantologists (BDIZ EDI). From 1998 to 2008, he was Medical Superintendent at the Zahnklinik Rhein-Ruhr, a specialist clinic for implant dentistry and esthetics in Mülheim on the Ruhr. Since 2010, he has been Director of the Zahnimplantat Klinik Düsseldorf, a dental implant clinic, which he set up at the St Vinzenz Hospital in Düsseldorf.

Dr. Boris Sommer, President of the German Society for Esthetic Botulinum Toxin Therapy (DGBT), runs a private practice specialized in Esthetic Dermatology in Frankfurt am Main, Germany.

David Sonntag is a specialist in endodontics and has been head of the Endodontology Master's program at Heinrich Heine University Düsseldorf since 2010. He works in private practice as an endodontist and advises companies on the development of NiTi instruments. He has lectured in the field of endodontology in Germany and abroad and has published on this topic since more than 20 years.

Prof. Dr. Christian H. Splieth Specialist in paediatric dentistry, Head of the Department of Preventive Dentistry and Paediatric Dentistry at the University of Greifswald, Past-President of the German Society for Paediatric Dentistry and the European Organization for Caries Research (ORCA) as well as author and speaker in the field of paediatric dentistry

Bernd Stadlinger studied medicine and dentistry at the universities of Erlangen, Vienna, and Dresden from 1996 to 2006. He trained as a specialist in oral and maxillofacial surgery at the University Hospital Dresden and habilitated in 2011 with the topic “Functional biomaterials to influence maxillofacial bone healing.” In July 2011, he became senior physician in the Department of Oral and Maxillofacial Surgery – Clinic for Oral Surgery at the University of Zurich. After his rehabilitation at the University of Zurich, he became a specialist in oral surgery in 2013, and has been Head Physician and Head of Dento-Maxillofacial Radiology since December 2015. Bernd Stadlinger is a board member of the Swiss Society for Oral Surgery and Stomatology (SSOS) and the Swiss Association for Maxillofacial Surgery and Oral Diseases (SAKM). The focus of his scientific work is the interaction between biomaterials and bone, in particular the coating of implants with different organic components to accelerate peri-implant bone healing. His other area of interest is imaging techniques and the implementation of digital treatment methods. In the field of teaching, he is the author of various computer-animated science films and is actively involved in the integration of modern media into university teaching, for which he has received numerous science and teaching awards.

Dr. Clark Stanford came to the University of Iowa (UI) from Northbrook, Illinois, in 1979. Clark enjoyed the small town atmosphere and the friends he made while in Iowa City after coming from a large Chicago suburb. He graduated with a Bachelor of Science degree in Zoology (1984), D.D.S (1987), Ph.D. in Biology, and a Certificate in Prosthodontics (1992) - all from the UI. While working toward his degrees, he studied in the lab of his mentor, Michael Solursh, for both his B.S (1981-1983) and Ph.D. (1987-1992). He credits his father, who was a Biochemist, and Professor Solursh's mentoring support, for influencing him to pursue a career in oral health research. He also recalled former Biology faculty George Cain and Eugene Spaziani along with current Professor David Soll, as other individuals who impacted his career. Dr. Stanford said his education "defines in many ways what I do on a day-to-day basis" as the Dean of the College of Dentistry at the University of Illinois at Chicago. Stanford was previously the Associate Dean for Research, Centennial Fund Professor, and Director of Clinical Research in the College of Dentistry at the UI. He also held secondary appointments in the Department of Orthopaedics and Rehabilitation (College of Medicine) and the Department of Biomedical Engineering (College of Engineering) at the UI. His expertise area is implant dentistry with his main clinical research interests in implants, implant biomaterials, and dental materials. He is also interested in bone biology including biologically-mediated bone mineralization (implants), bone metabolism, osteoblasts, and isolating and characterizing human osteogenic cells. In 2006, he received the Board of Regents Award for Faculty Excellence, and in 2007, the Distinguished Scientist Award from the International Association for Dental Research. Dr. Stanford serves on the committees of several professional organizations including the International Association for Dental Research (IADR) and the Food and Drug Administration (FDA), and is a member of many others.

Dr Martin Stangl studied dentistry at the University of Regensburg, Germany, from 2001 to 2007. In 2009, he completed his doctorate under Prof Dr Gottfried Schmalz in dental conservation. Since the beginning of his preparatory period, Dr Stangl has been working with Prof Dr Michael Stimmelmayr in Cham, with whom he founded a joint practice in 2011. In addition to surgical procedures, his main areas of practice are prosthetic and reconstructive dentistry.

Dr Stankov is among the best-positioned professionals in the domain of dental medicine in Bulgaria. He manages a team of 24 staff as the Chief Doctor at the Dr Stankov Dental Clinique. His clinical work is focused on end-to-end esthetic treatment in dental medicine, implantology, periodontal plastic microsurgery, periodontal regeneration, complex cases of prosthetics on natural teeth, and implants. He is a renowned and influential national lecturer and a trendsetter in his area of expertise. He has taught several postgraduate courses in the fields of periodontology and prosthetics. He won second prize in the 1-year Global Institute for Dental Education (GIDE) master program at the University of California, Los Angeles, USA, in 2013. His career started after he graduated in dental medicine at the Faculty of Dental Medicine, Medical University of Plovdiv, Bulgaria, in 2007. He is a visiting lecturer at the Zimmer Institute, Switzerland. He is an active member of the Bulgarian Academy of Esthetic Dentistry, the GIDE Study Club, and the Zimmer Club.

Jimmy Steele is Chair in Oral Health Services Research and Honorary Consultant in Restorative Dentistry at Newcastle University. He runs the undergraduate teaching in fixed prosthodontics and contributes to undergraduate and postgraduate teaching in occlusion.

Dr. Stefanini is a researcher in the Department of Biomedical and Neuromotor Sciences at Bologna University, Italy and also a dental surgeon in private practice. She graduated from the University of Bologna with a degree in dentistry in 2005. She was awarded a PhD in Medical Sciences in 2016 from the same institution. Dr. Stefanini is an ITI Fellow, has sat on of the Editorial and the Scientific Committees of the Italian Society of Periodontology and continues to be an active member. She was a Visiting Professor at San Raffaele University Milan in 2015-2016 and taught a postgraduate program at the Dental School San Raffaele, University Milan and for the II level International Master at Bologna University in 2017. Dr. Stefanini is an expert in periodontology and has authored several publications in Pubmed, as well as speaking at national and international conferences on periodontology.