Dr. Boris Sommer, President of the German Society for Aesthetic Botulinum Toxin Therapy (DGBT), runs a private practice specializing in esthetic dermatology in Frankfurt am Main.

David Sonntag is a specialist in endodontics and has headed 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 the subject for over 20 years.

Sergio Spinato, DDS, PhD, is adjunct professor at the University of Modena and Reggio Emilia, Italy, and secretary of the International Piezosurgery Academy. He has published over 40 articles in peer-reviewed international journals. Dr Spinato maintains a private practice in Sassuolo, Italy.

Dr. Frank Spitznagel is an Associate Professor at the Department of Prosthodontics, University Hospital Düsseldorf and Heinrich-Heine-University, Düsseldorf, Germany. He graduated in 2014 from the University of Freiburg and obtained his Dr. med. Dent degree from the same University in 2016. He was awarded with the 1st prize “Young Esthetics” from the Germany Academy of Esthetic Dentistry (DGÄZ) in 2019 and received a research fellowship from the International College of Prosthodontists (ICP) in 2022-2023. He has also won the first place at the premiere of the ITI Open Mic New Speaker Contest (ITI – International Team for Implantology) in September 2022 in Germany. Dr. Spitznagel is a board certified prosthodontist of the German Society of Prosthodontics and Biomaterials (DGPro) and certified in Implant Dentistry (DGI- German Society of Implantology). His clinical and scientific focus is in the field of fixed tooth- and implant-supported all-ceramic reconstructions, digital workflows and implant dentistry.

Specialist in pediatric dentistry, Head of the Department of Preventive Dentistry and Pediatric Dentistry at the University of Greifswald, Past-President of the German Society for Pediatric Dentistry and the European Organization for Caries Research (ORCA) as well as author and speaker in the field of pediatric 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.

Dr. Kyle Stanley, named as "The Next Generation of Cosmetic Dentistry" by the AACD in 2015 and "Top 10 Young Educators in Dentistry" by the Seattle Study Club, graduated Magna Cum Laude from the Herman Ostrow School of Dentistry of USC and then completed a dental implant residency along with a dental implant specialty in Brazil. While at USC, Dr. Stanley completed an esthetic mini-residency with a world leader, Dr. Pascal Magne, and was honored with the Charles L. Pincus Award for outstanding achievements in esthetic dentistry by the American Academy of Esthetic Dentistry. He is also a dedicated researcher who has published in some of the top international dental journals about topics relating to esthetics, dental implants, and smile design. Dr. Stanley is a KOL for many well-respected companies and has presented on five continents as a highly in-demand speaker. With his company Pearl, he is changing the way patients are treated through artificial intelligence and is a leader in this field. Dr. Stanley is the leading advocate of mental health in dentistry. He maintains an exclusive private practice in Beverly Hills, CA.