Dr. Gonzalez-Martin received the DDS degree from University of Seville in 1999 and was appointed as an assistant professor at the same university from 1999 to 2005, while also working in a private practice. In 2005, he moved to Philadelphia, Pennsylvania (USA) to obtain an MS degree in Graduate Periodontics and Periodontal-Prosthesis in 2009 from University of Pennsylvania (UPenn). He received the Arnold Weisgold’s Director’s Award. He joined the UPenn faculty as an Adjunct Assistant Professor in 2009 and he currently keeps the position. He became a Diplomate of the American Board of Periodontics in 2009. In 2010, he received a scholarship to join to the Fixed Prosthodontic and Occlusion Department at the University of Geneva School of Dental Medicine. In 2015, he obtained an International PhD at the University of Seville. Currently, he serves as Editor-in-Chief for The International Journal of Periodontics & Restorative Dentistry. At present, he teaches in the graduate program of Periodontology at University Complutense of Madrid, Part-time in Restorative Dentistry and Biomaterials Sciences Harvard School of Dental Medicine while continuing work at a private practice, Atelier Dental Madrid, exclusive to periodontics, prosthesis, and implants.

Dr. Nuno Sousa Dias, DDS, MOrth, received his degree in Dentistry from Universidade Fernando Pessoa (Porto) in 2007. In the same year, he created and registered a Smile's Analysis named SAEF^® - Smile's Aesthetic Evaluation Form^®. From 2008 to 2012, he completed the full-time Orthodontic Postgraduate Program at Tel Aviv University (ISRAEL). In 2010, he was awarded the 1st prize at the 4th Scientific Research International Competition of the Spring Meeting of the EAED (European Academy of Esthetic Dentistry) in London (UK). He was elected ambassador for EPSOS (European Postgraduate Students Orthodontic Society) for Portugal and Israel in 2011 and 2012. In 2013, he was awarded by SEDO (Sociedad Española de Ortodoncia) with a fund to attend the AGE (Advanced Graduate Education) Didactic Courses at the Department of Orthodontics of HSDM (Harvard School of Dental Medicine). He is a member of several national and international dental and orthodontic scientific organizations. Since 2013, he has been practicing limited orthodontics at his own private clinic NSD-DENTISTRY in Portugal. He also collaborates with multidisciplinary teams in Belgium, Germany, and Istanbul. Additionally, he is an international lecturer in the field of Orthodontics and Smile's esthetics.