Dr. Dejan Lisjak was born in Belgrade on 7 November 1970.

He graduated from the Faculty of Dental Medicine in Belgrade on 25 March 1996 and specialized in DENTAL PROSTHETICS at the same faculty on 26 June 2001. He has been a co-owner of the dental clinic CEREC CENTAR in Belgrade since 2000. In the development of the clinic, Dr. Lisjak has placed special emphasis on state-of-the-art diagnostic and therapeutic dental procedures, contributing to the development of computerized dentistry in the region. He has attended numerous courses abroad, conducted by leading dentists and lecturers in this field.

Dr. Dejan Lisjak is a co-founder of the Association of Computerized Dentistry, established in Belgrade in 2010. He acquired the title of primarius in June 2010, as the youngest doctor holding the title in that decade. In 2019 he became an opinion leader of the company DENTSPLY-SIRONA and their international lecturer. He is the author and co-author of numerous research papers published in domestic and foreign professional journals. He has been a guest lecturer at congresses and professional gatherings, and has conducted courses in modern dental technologies, with particular emphasis on CAI-CAD-CAM systems. He is a co-founder of the company EDUCODENT, established in 2019, dealing with the organization of educational programmes for dentists. He has conducted numerous professional meetings, lectures and practical exercises related to dental prosthetics.