Professor and Chair of Orthodontics. University of Santiago de Compostela Has developed the Technique Synergy® - Straight Wire Low Friction® Chairman of Orthodontics at the University of Santiago de Compostela since 1994. Director of the Orthodontic and Dentofacial Growth Research Service and Master Program of Orthodontics from University of Santiago de Compostela since 1996 Board of the Spanish Society of Orthodontic (SEDO) Councillor of the European Orthodontic Society (from 2006- 2014) President of the European Orthodontic Society (June 2011 – June 2012). Member of the Royal Academy of Medicine and Surgery of Galicia. Chair: Dentistry (2011) More than 350 orthodontic lectures and courses in universities and scientific societies from more than 40 countries. Editorial Board of 12 dental and orthodontics journal. Author or co-author of 14 dentist and orthodontic textbooks and 130 scientific articles. More than 350 orthodontic lectures and courses in 40 countries.