Dr. med. Hans P. Ogal Facharzt für Anästhesiologie, Leiter der Schmerzambulanz an der Aeskulap-Klinik Dr. Brandner, Zentrum für Ärztliche Ganzheitsmedizin, in Brunnen am Vierwaldstättersee/Schweiz, Dozent der Deutschen Ärztegesellschaft für Akupunktur (DÄGfA) und weiterer Fachorganisationen.

Group Director, General Clinic
Academic Administrator, Division of Restorative Dentistry
School of Dentistry
University of California, Los Angeles

Miguel A. Ortiz, DMD, has become recognized around the world for his proficiency in dental photography and cinematography. Recognizing a need for dental photography training in the US, he created MaoPhotographs, a dental photography curriculum that has since expanded internationally. Through these courses, he brings awareness to evidence-based dentistry, attention to detail, and craftsmanship. He is the author of Lit: The Simple Protocol for Dental Photography in the Age of Social Media (Quintessence Publishing, 2019). Dr Ortiz lectures nationally and internationally on prosthodontics and dental photography and is a full-time prosthodontist on the dental team of Brookline Dental Center in Boston.

Juan Carlos Ortiz Hugues, DDS, is a certified ergonomics assessment specialist who lectures and provides trainings on advanced dental ergonomics, mainly related to dental microscopy. He serves as the vice president of the Academy of Microscope Enhanced Dentistry (AMED) and maintains a private practice limited to endodontics in David, Panama. He wrote his book to encourage dental professionals to adopt better practices so they can live and work pain-free.