[1] In 1980 he was awarded the title of Dozent of Applied Mathematics at the National Technical University of Athens.

He has taught and been invited to give research seminars at more than 120 universities mainly in the USA and Europe, but also Japan, Korea, Finland, and Brazil.

He was the scientific director of the PANEGO program for early diagnosis of craniocerebral injuries and the recognition of particle shape in biological suspensions selected by the European Commission in 2003 as the most successful research project funded by the European Commission in Greece.

He has been involved for more than 25 years in University entrance examination committees of the Ministry of Education and Religious Affairs (Greece), the State Scholarship Foundation and the Supreme Council for Civil Personnel Selection.

Since 2014, he has been the president of the independent National Exams Organization of the Ministry of Education and Religious Affairs (Greece).