Dr Wiskott graduated in 1977. After three years of private practice and internship he earned a doctorate in dental medicine. He then transferred to the United States and in 1982 he received a Master of Science degree in periodontics from the University of Michigan. In 1989 he was awarded a Master of Science in Dentistry degree from About the authorthe University of Washington, specializing in fixed prosthodontics, and in 1998 a PhD degree in biomaterials. Dr Wiskott is the author of about 100 scholarly articles. He teaches and practices dentistry in Geneva, Switzerland.

Daniel Wismeijer graduated from the University of Nijmegen Dental School (1984) and received his PhD in 1996. Until 2006 he worked at the Amphia Teaching Hospital in Breda in the Oral Surgery and Maxillofacial Prosthodontics Department. In 1985 he started a general dental practice, which has been a referral practice for oral implantology since 1990. He was president of the Dutch Prosthodontic Association and the Dutch Association for Gnathology. He has been an ITI Fellow since 1993, a member of the ITI Board of Directors since 2013 and Chair of the ITI Education Committee since 2015. In 2006 he became Professor of Oral Implantology and Prosthetic Dentistry at ACTA Amsterdam where he was Chair and Head of the Department of Oral Implantology and Prosthetic Dentistry until 2020.

Since 1988, Siegbert Witkowskihas been working as Chief Dental Technician in the Department of Prosthodontics, University Hospital of Freiburg, School of Dentistry (Chair: Prof. Dr. B. Spies; Chair until 2016: Prof. Dr. Dr. h.c. J.R. Strub). He earned his diploma in Dental Technology from an apprenticeship program in Hannover, Germany. He did postgraduate studies and gained work experience at the following institutions: University of London, Royal Dental Hospital (1983-1984); University of Zürich, School of Dentistry (1984-1986); University of Southern California, School of Dentistry (1986-1988). Mr. Witkowski was certified as a Dental Technician (CDT) by the National Board of Certification of Dental Laboratory Technology (USA) in 1986. In 1991, he earned the diploma of the German Master Dental Technician from the master school in Freiburg, Germany. Siegbert Witkowski was co-editor and -founder of the German journal „Implantologie” [Implantology] (1993-2000). For the monthly journal „Quintessenz der Zahntechnik” [Quintessence Dental Technology] also by Quintessence Publishing (Berlin, Germany) he was serving as editorial board member (1997-2000), vice editor-in-chief (2004-2006) before being appointed as editor-in-chief (2007). In 2001 he was editorial chairman of the „Internationale Zahntechnik Magazin” [International Dental Technology Magazine] published by Flohr Publ. (Rottweil, Germany). He co-authored several book chapters, a textbook for dental students “Curriculum Prothetik” (1. ed. 1994 - 5. ed. 2021), a book on implant prosthodontics „Enossale orale Implantologie aus prosthetischer Sicht“ [Endosseous implantology from the prosthodontic point of view], published in 1996 by Quintessence Publishing and numerous journal articles. In recent past, he co-authored a book on dental CAD/CAM technology together with Prof. Dr. W. Att (Tufts University, Bosten, USA) and Prof. Dr. J.R. Strub (Emeritus, Freiburg) titled “Digital Workflow in Reconstructive Dentistry” published by Quintessence Publishing (2019). Siegbert Witkowski is a member of several national and international professional organizations.

June 2, 1968: Born in Kempten im Allgäu; 1990–1995: Studied dentistry at the Philipps University of Marburg; 1993: Accepted into the German National Academic Foundation; 1996: Doctoral studies at the University of Marburg; 1997: Assistant dentist in a dental practice near Cologne; 1998: Completed his doctorate on the subject of “Temperature development in dentine during dental preparation”; Since January 1998: Research assistant at the Clinic for Dental Prosthetics, Propaedeutics and Materials Science at the University Medical Center Schleswig-Holstein, Campus Kiel; April 2000: Appointment as senior physician; May 2001: Appointment as “Specialist for Prosthetics” by the German Society for Dental Prosthetics and Materials Science; 2006: Completion of the implantology curriculum (DGI); May 2006: Completion of habilitation (topic: “Evidence-based assessment of dental esthetics to improve quality of life”); Oct 2008: Appointment at the RWTH Aachen University to the W3 Professorship Clinic for Dental Prosthetics and Biomaterials, Center for Implantology; Since Oct 2008: Director of the Clinic for Dental Prosthetics and Biomaterials, Center for Implantology at the University Hospital Aachen; Since Nov 2008: Clinical focus for many years on dental implantology and implant prosthetics. In addition to implantology and implant prosthetics, Prof. Wolfarts’s research focuses on dental esthetics, the clinical testing of new all-ceramic materials, and the associated improvement in quality of life. He is a certified implantologist of the German Society of Oral Implantology (DGI) and an ITI Fellow (International Team for Implantology); Sep 2014: His book “Implant Prosthodontics – A patient-oriented concept” was published by Quintessence Publishing.

Benjamin Wu, DDS, PhD, received his dental degree from the University of Pacific, his postgraduate training in prosthodontics at Harvard School of Dental Medicine, and PhD in Materials Engineering from the Massachusetts Institute of Technology. He has succeeded Dr John Beumer as Chair of the Division of Advanced Prosthodontics, and he is also Director of the Weintraub Center for Reconstructive Biotechnology.  He is Former Chair of the Department of Bioengineering in the UCLA School of Engineering, and he holds formal appointments in the Departments of Materials Science & Engineering and Orthopedic Surgery.  Dr Wu has published over 250 peer-reviewed scientific papers and over 40 patents, and he received continuous National Institutes of Health (NIH) funding for his innovative research. His citations rank him among the top 2% of scientists according to Stanford‘s standardized citation metrics across all scientific disciplines. He is Fellow of the Academy of Prosthodontics and enjoys patient care in the UCLA Faculty Group Dental Practice.

Doctor of Stomatology (Center of Periodontology),
Periodontist, graduated from Peking University School and Hospital of Stomatology,
Member of the Periodontology Committee of the Chinese Stomatological Association

Doctor of Stomatology, Prosthodontist, graduated from and Attending at Peking University and Hospital of Stomatology
Member of the European Association for Osseintegration (EAO), Member of the International College of Prosthodontists (ICP), Chinese Society of Stomatology, Temporomandibular Joint Diseases and Academic Committee member

Professor and Chair
Division of Periodontology
Niigata University Graduate School of Medical and Dental Sciences
Niigata, Japan

Dr. Homa Zadeh is an internationally renowned periodontist recognized for his clinical and scientific expertise. Dr. Zadeh is a Diplomate of the American Board of Periodontology and Implant Surgery. He has served as tenured associate professor, of the post-doctoral periodontology (2012 to 2019), as well as Chair of Periodontology Section (2003-2006) at USC Ostrow School of Dentistry. Dr. Zadeh graduated from the University of California Los Angeles (UCLA) with a BS degree, followed by Doctor of Dental Surgery (DDS) from USC Ostrow School of Dentistry. He completed post-doctoral clinical training in periodontology, as well as a PhD degree in immunology, at the University of Connecticut Health Center (UCHC) School of Dental Medicine and School of Medicine, respectively. Dr. Zadeh has lectured nationally and internationally in over 30 countries at prestigious conferences on topics ranging from aesthetics to minimally invasive periodontal and implant surgery, as well as tissue engineering.Dr. Zadeh served as president of the Western Society of Periodontology (WSP) in 2017, which is the largest regional periodontology society spanning the 16 western US states and Canadian provinces.Dr. Zadeh is the innovator of the VISTA technique recognized around the world as one of the most effective methods for the treatment of gingival recession. He has also innovated many concepts and devices, which have been patented and developed into products in clinical use in many countries.Dr. Zadeh has an extensive publication track, including over 100 publications in peer-reviewed journals and numerous book chapters. He serves as an editorial reviewer for many scientific journals.He served as a chartered scientific reviewer to the National Institutes of Health (NIH) and chaired a scientific panel at the NIH Center for Scientific Review. Dr. Zadeh has served as the director of USC International Periodontal and Implant Symposium. Dr. Zadeh is the recipient of many honors and awards, including outstanding teaching award and outstanding service award from USC Ostrow School of Dentistry and many research grants.He is an active member of the American Academy of Periodontology, Western Society of Periodontology (WSP), Academy of Osseointegration (AO), American Academy of Implant Dentistry (AAID), American Dental Association (ADA), California Dental Association (CDA), San Fernando Valley Dental Association (SFVDA) and Santa Barbara Ventura Dental Association (SBVDA).

Ronald Ordinola Zapata, DDS, MS, PhD, is currently an associate professor of endodontics at the University of Minnesota School of Dentistry. He earned his DDS degree from Inca Garcilaso de la Vega University in Lima, Peru, before pursuing advanced training in endodontics at the University of Sao Paulo, Brazil. In 2014 he moved to the United States to continue this endodontic training, completing a 2-year advanced education in general dentistry at Larkin Community Hospital in Miami and an endodontic residency program at the IB Bender Endodontic Division of the Albert Einstein Medical Center in Philadelphia. Dr Zapata has published over 70 scientific papers and lectures internationally. He also serves at the associate editor of the International Endodontic Journal and is a member of the scientific advisory committee for the Journal of Endodontics.

He received his dental degree from the Faculty of Dentistry at Semmelweis University, Budapest (Hungary). Upon his graduation, Maciej pursued a Doctor of Medical Sciences title, obtained after pass with honors for his dissertation defense on composite inlays-onlays in the restoration of endodontically treated teeth. Maciej has been a long-time researcher and lecturer, working with dental students at the Department of Propedeutics of Conservative Dentistry of CMUJ, Krakow. During his International Association of Dental Research scholarship, he conducted research work on adhesive bridges (FDPs) as well as the restoration of endodontically treated teeth at the universities of Leeds and Manchester. He has been a visiting professor at the University of Chieti (Italy), and visiting lecturer the UIC University (Barcelona). In 2021 he became a mentor at the prestigious Kois Center in Seattle. In 1999 Maciej established his private practice “Dentist” in Krakow and maintains it with his energetic attitude and everlasting passion. Maciej takes pride in being Editor-in-Chief of the Quintessence for Dentists journal. His book, EndoProsthodontics: A Guide for Clinical Practice, has achieved success and is now published in English, Chinese, Croatian, French, and Russian. He has authored more than 80 scientific papers in both national and international journals. Maciej is also an active member in the Italian restorative dentistry research group “Style Italiano,” as well as the Polish Academy of Esthetic Dentistry. In 2019 he became a certified member of European Society of Cosmetic Dentistry.

Doctor of Stomatology (Center of Periodontology)
Periodontist, graduated from and Attending at Peking University School and Hospital of Stomatology
Member of the European Association for Osseointegration (EAO), Member of the Periodontology Committee of the Chinese Stomatological Association