Mariano Sanz is professor and chair of periodontology at the University Complutense of Madrid (Spain) and a professor in the faculty of Odontology at the University of Oslo (Norway). He graduated in medicine in 1981 from the University Complutense of Madrid, from which he received a degree in stomatology in 1983 and where he qualified as a Doctor of Medicine in 1985. He received his speciality in periodontology from the Universtiy of Califormia in Los Angeles (UCLA) in 1987. He has received honorary doctorates from the University of San Sebastian in Santiago (Chile), the University of Gothenburg (Sweden) and the University of Coimbra (Portugal). Since 2005, Prof Sanz has been chair of the ETEP research group on the aetiology and therapy of periodontal diseases, whose main lines of research are oral microbiology, bacterial-host interactions, and antimicrobial approaches in the treatment of gingivitis and periodontitis. The research group has conducted clinical trials to measure the efficacy of different approaches to periodontal regeneration surgical protocols using dental implants, and therapeutic approaches to treat peri-implantitis. Prof Sanz has published 230 articles in scientific journals, written 50 book chapters, and has participated as an invited speaker at more than 200 scientific events in the last five years. He is an associate editor of the Journal of Clinical Periodontology and Evidence-Based Dental Practice and a member of the editorial boards of various other dental journals. He has been awarded the Jens Waerhaug Research Prize by the Scandinavian Society of Periodontology (1984), the Outstanding Service Award from the International Association for Dental Research (2015) and the IADR Straumann Award in Periodontal Regenerative Medicine (2015). He is a member of the executive committee of the European Federation of Periodontology (EFP) and chair of its workshop committee. He has previously served the EFP both as president (1993-1994) and secretary general (1998–2005). He is president of the Osteology Foundation, president of the International Association for Dental Research’s continental European division, and president-elect of the Association for Dental Education in Europe (ADEE).

Dr. Ignacio Sanz Martín is currently a PhD candidate at Universidad Complutense de Madrid, studying under Prof. Mariano Sanz since 2012. He also holds positions as Assistant Professor in the Department of Periodontology at the same university and as Visiting Faculty at Universidad Internacional de Catalunya and Universidad Europea de Madrid. Additionally, he serves as Associate Periodontist and Implantologist at Centro de Implantología y Periodoncia (CIMPLA) and Director of the ITI Study Club in Castilla y León. Dr. Sanz Martín is involved in continuing education as a coordinator for the Spanish Association of Periodontology. He is a member of the Osteology Expert Council and has an Executive Master from ESADE Business School.

David M. Sarver, DMD, MS, is a diplomate of the American Board of Orthodontics, a member of the Edward H. Angle Society of Orthodontists, and a fellow in the American Academy of Esthetic Dentistry. He is author of Dentofacial Esthetics: From Macro to Micro with Quintessence (2020) and coauthor (with Drs Proffit and White) of the surgical text Contemporary Treatment of Dentofacial Deformity (Elsevier Science, 2002) as well as the 4th, 5th, and 6th editions of Proffit’s classic textbook Contemporary Orthodontics (Mosby, 2018). Dr Sarver has given more than 400 professional presentations in the United States, Europe, Australia, and the Middle and Far East and has been featured on several national television programs, including The Today Show.

Takeshi Sasaki, DDS, is chief director of the Kiwakai Dental Clinic, lecturer at the Japan Institute for Advance Dental Studies, and visiting academic staff at Tokyo Medical and Dental University School of Dental Medicine and Nagasaki University School of Dental Medicine. He is a member of American Academy of Fixed Prosthodontics and the American Academy of Periodontology, among other organizations.

Dr. Gerhard Sattler is considered one of the pioneers of esthetic medicine worldwide. Until his death, he was President of the German Society for Esthetic Surgery (GÄCD) and Executive Director of the International Society for Dermatologic Surgery as well as a member of other professional societies and Director of Rosenpark Clinic in Darmstadt.

Dr Yoh Sawatari is a Professor of Clinical Surgery and the Director of the Oral and Maxillofacial Surgery Residency at the Jackson Memorial Hospital/University of Miami Program. He has over 16 years of facial trauma experience at a level one trauma center at one of the largest community hospitals in the country. He has trained countless surgeons through the residency program, his national and international lectures, and his numerous peer-reviewed publications and chapters. He is considered an expert in the field of facial trauma and has provided lectures for the United States Army, has assisted in the design of fixation plates for facial trauma, and has incorporated advanced technology into the Miami program including navigation, intraoperative imaging, and patient-specific implants.

E. Todd Scheyer, DDS, MS, is a clinical assistant instructor at the University of Texas Dental Branch-Houston and guest lecturer for the University of Texas Health Science Center at San Antonio. He is a diplomate of the American Board of Periodontology and a past president of the Southwest Society of Periodontists and of the Texas Society of Periodontists. Dr Scheyer maintains a private practice limited to periodontics and implant reconstructive dentistry in Houston, Texas.