Ralf Dahl absolvierte seine zahntechnische Ausbildung von 1981 bis 1985. Im Anschluss intensivierte er seine Kenntnisse bis 1988 in einem gewerblichen Labor mit Schwerpunkt Edelmetall, Keramik und Geschiebearbeiten.

1988 trat er in einer Privatpraxis eine Stelle als Zahntechniker an, in der er bis 1990 als Zahntechniker in leitender Funktion tätig war.

1991 schloss er die Meisterschule Düsseldorf erfolgreich mit der Meisterprüfung ab. Seit 1994 ist er Mitinhaber und Geschäftsführer der MB Dentaltechnik GmbH. Er ist Mitglied der „dental excellence-international Laboratory Group“, der EDA sowie der DGÄZ.

Ralf Dahl ist im In- und Ausland als Referent praktischer Arbeitskurse oder Live-Patientenkurse tätig. Er ist Gast-Dozent an der Meisterschule Freiburg sowie Autor zahlreicher Fachartikel in der Quintessenz Zahntechnik und dental dialouge.

Der Zahntechnikermeister ist auf Fachvorträge und praktische Arbeitskurse im Bereich Verblendtechnik und Vollkeramik spezialisiert. Seine Spezialgebiete sind die polychrome Verblendtechnik im Bereich Keramik, die funktionelle und ästhetische Herstellung vollkeramischer Inlays, Onlays, Veneers und Vollkronen sowie die Herstellung und Verblendung von Kronen und Brücken aus Oxidkeramiken und Lithium-Disilikat-Glaskeramik.

Dr Darqué is a Clinical Professor of the Department of Orthodontics at the University of Bordeaux (France) and at the Dental Clinic of the Hospital of Bordeaux. He received his dental degree from the University of Bordeaux and completed his orthodontic training at the same university and his lingual orthodontics training at the University René-Descartes of Paris (DUOL). He lectures in most european universities and has worked for many years developing mini-implant treatment modalities. Dr Darque is vice-president of the European College of Orthodontics (CEO). He runs a part-time private practice in Bordeaux.

Catherine Davies, MBBCh, MBA, is a medical doctor practicing in Johannesburg, South Africa, with a special interest in esthetics, regenerative medicine, and hair restoration. She has over 14 years of experience in FUE hair transplant surgery. She is board certified in stem cell medicine from the A4M Academy in the United States. Dr Davies frequently lectures and trains on medical procedures and is passionate about medical education. She recently featured in and produced an international medical TV show called Outpatients, which is on its third successful season and airs in 180 countries. Her passion is to drive social change through the use of media. She is the proud mother of three children.

Glécio Vaz de Campos, DDS, received his DDS degree from the Universidade Estadual Paulista (UNESP) in Araraquara, Brazil, in 1982. After he specialized in periodontics and prosthetics, several years of clinical practice led him to explore new techniques focusing on periodontal plastic surgery. In 1996, he was qualified on this subject at the Microsurgery Training Institute in Santa Barbara, California. He had a significant role in introducing periodontal and peri-implant plastic microsurgery techniques to Brazil and expanding the use of the operative microscope there. From 2000 to 2004, Dr Campos served as Director of the Operative Microscopy Department at the São Paulo Dental Association (APCD), where he organized the largest training facility on operative microscopy in South America. Dr Campos has coauthored 16 books related to periodontal and peri-implant plastic microsurgery, as well as scientific articles published in Brazil and abroad. Currently he maintains private practices in Jundiaí and São Paulo, Brazil, where he focuses on periodontal and peri-implant plastic microsurgery and offers regular training courses in his private microscopy laboratory in Jundiaí.

Dr. De Franco obtained a B.A. degree in Biochemistry from the University of Pennsylvania, a D.M.D. degree from the University of Connecticut, and the certificate in Orthodontics with a Doctorate of Medical Sciences degree in Oral Biology from Harvard University. He moved to Milan in 1992 where he has been working ever since in private practice limited to orthodontics. He is a Diplomate of ABO, EBO and IBO, and is presently the Chairman of Examiners for EBO. He is a member of AAO, EOS, Harvard Society for the Advancement of Orthodontics, SIDO, Italian Academy of Orthodontics, European Academy of Esthetic Dentistry, and the Eastern Component of the Angle Society for which he was President in the 2017-2018 term. He is a reviewer for several orthodontic journals.