 In 1985 he became a Lecturer and later was elected Full Professor (1999) at the Physics Department in Aristotle University of Thessaloniki, while during 2005-2009 he served as Chairman in the same department.His longtime educational activity includes forming and teaching a multitude of courses at undergraduate and postgraduate level and authoring seven books and notes.He is the director and founder of the Interdisciplinary Post-Graduate Program "Nanosciences & Nanotechnologies" of Aristotle University of Thessaloniki since 2003.