He is Professor Emeritus at School of Dentistry, National and Kapodistrian University of Athens, Greece.

He has served from 2003 since 2021, as Professor and Chairman of the Department of Oral Diagnosis and Radiology, School of Dentistry, National and Kapodistrian University of Athens.

He has received his DDS and PhD degrees from the National and Kapodistrian University of Athens.

He has obtained his MSc degree from Loyola University of Chicago and he has attended a two year Post Graduate Program in Oral Diagnosis and Radiology in the same University.

He was elected vice Dean of the School of Dentistry from 2007 to 2011.

During his Academic career, he was appointed as Director of the Postgraduate program, President of the Undergraduate Curriculum Committee and Director of Continuing Education Committee.

He was elected as Vice-President for the years 2004-2006 and President for the years 2006-2008, of the “European Academy of Dentomaxillofacial Radiology”.

He has served as President of the Hellenic Society of Dentomaxillofacial Radiology for many years. He was a member of the European Committee for the study of Radiation Protection in Dentistry and for the development of the European Guidelines for Radiation Protection in Dental Radiology. He participated as a senior scientist in the SEDENTEXCT European Project, for the development of the Evidenced Based Guidelines on Dental Cone Beam CT.

He has published more than 140 scientific papers in International Journals; he is co- author in four scientific books and has participated as a speaker in numerous Greek and International congresses.