Dr. Octavio Cintra received his D.D.S. graduation from the University of Campinas - UNICAMP - Sao Paulo/Brazil. His Oral and Maxillofacial training was obtained at The University and Hospital of Santa Casa de Misericordia de Sao Paulo, his fellowship was at The Southwestern Medical Center at Dallas - Division of Oral and Maxillofacial Surgery, Parkland Memorial Hospital, Dallas, Texas, USA. He is one of the members of S.O.R.G. - Latin America Group and he maintains a private practice strictly focused in Orthognathic Surgery in Sao Paulo/SP, Brazil.

Prof.dr. A.G. (Eddy) Becking is oral and maxillofacial surgeon in Amsterdam University Medical Centre. He is director of the OMFS training program in Amsterdam. His scientific and clinical topics are: growth and develoment disorders, orbito-craniofacial surgery, asymmetries and orthognathic surgery. He has over 100 peer-reviewed publications and is a international speaker and teacher. He is the former president of SORG worldwide.

Adscrita al servicio Cirugía Maxilofacial, Centro Médico Nacional 20 de noviembre ISSSTE CIUDAD DE MÉXICO Profesora titular del curso cirugía Maxilofacial Centro Médico Nacional 20 Noviembre ISSSTE Presidente del Consejo Mexicano de Cirugía Oral y Maxilofacial AC