Ioannis Kazazis studied Classical Philology at the Aristotle University of Thessaloniki, at the University of Illinois and at the Yale University. He was Fellow at the Harvard Center for Hellenic Studies and Visiting Professor at the University of Maryland.
From 1979 to 2014, he was Professor of Classical Philology at Thessaloniki University.
In 1994 he became Vice President and later President of the “Greek Language Center” and Director of the Lexicography Department.
He had also served as President of the National Council for primary and secondary education and was Honorary Professor and Doctor of “Kuban State University” of Russia.
He wrote about Herodotus, Demosthenes, the Archaic Epic, the Epigram, and the History of Greek Studies from the Renaissance to the present day in the West and in Russia.