Dr. Hugo Sousa Dias is a clinician limited to Endodontics and Apical Microsurgery. He completed his postgraduate program in Endodontics at the University of Lisbon - School of Dentistry and has been an invited professor at the Endodontic Post-Graduation Program at IUCS - CESPU. He also served as the Director of Master in Endodontics - Clinical Residency at Foramen Dental Education from 2014-2018 and as a Professor at the Clinical Masters Program in Endodontics (Tribune CME) in collaboration with Dr. Gilberto Debelian, Prof. Gianluca Gambarini, Dr. Claudio Pisacane, and Dr. Giancarlo Pongione in 2018-2019.

Dr. Sousa Dias is a founder of the Portuguese Endodontic Study Group and the Hugo Sousa Dias & Friends Webinar Sessions. He has also collaborated with the Endodontic Post-Graduation Programs at the University of Lisbon - School of Dentistry and the University of Oporto - School of Dentistry. He is a member of the Clinical Masters Network and has published and lectured extensively both nationally and internationally.

In addition, Dr. Sousa Dias is a board member of the Portuguese Endodontic Society from 2020-2023 and a co-author of a chapter in the book "The Root Canal Anatomy in Permanent Dentition" by Marco Versiani, Bettina Basrani, and Sousa-Neto, published by Springer in 2018.