Mr. Yannis Ververidis is the founding Principal of City College, Thessaloniki back in 1989 and he is the Principal ever since. From 2009 onwards Mr. Ververidis continues to be the Principal of the International Faculty of the University of Sheffield, City College and a member of the Senate of the University.

Mr. Ververidis holds a bachelor in Combined Science, a PgDip and an MSc in Computer Studies (Artificial Intelligence) and a PgDip in Education Research. He is elected a fellow of the UK Royal society for the encouragement of Arts, Manufactures & Commerce from 1999 (FRSA). 

Mr. Ververidis is the General Secretary of the Hellenic Colleges Association that represents all Greek Colleges collaborating with UK Universities. He is also a member of national & international professional associations. He has chaired and being invited speaker in many conferences and other national and international events. His research interests are in Higher Education Policy & Management and particularly in the Entrepreneurial University.