Dimitris G. Apostolopoulos is Research Director in the National Hellenic Research Foundation.
He has studied Law and Political Science in Athens, Nancy and Paris. After becoming Doctor of Philosophy at the Universities of Athens and Paris, he taught in Panteion University, whereas in 1980 he founded the research project ''Institutions and Ideology in the Neohellenic society, 15th-19th centuries'', in the National Hellenic Research Foundation, Department for Neohellenic Research (seewww.eie.gr/nhrf/institutes/inr/programmes/programme03-gr.html), which he is directing up to this date.
Among other works, he has authored the following books: The appearance of Principles of Natural Law in Ottoman-ruled Greek society, Athens 1980-1983; The "Sacred Codex" of the Patriarchate of Constantinople during the second half of the 15th century AD. The only known fragments, Athens 1992; Reliefs of an art of Law. Byzantine Law and Post-Byzantine ''legislation'', Athens 1999; On Phanariots. Attempts at interpretation - Analytica minora, Athens 2003.
After the Conquest. Reflective adaptations of the Patriarchate of Constantinople based on a 1477 unpublished circular (with the collaboration of Machi Paizi), Athens 2006. Voltaire, Montesquieu, Real de Curban. Fresh research on their presence in the Greek ideological sphere during the 18th century, Athens 2007.
Official texts of the Patriarchate of Constantinople surviving from the period 1454-1498 (with the collaboration of Machi Paizi), Athens 2011 (see also "publications").
In 1989 he earned the Athens Academy award for ''his substantial contribution in shedding light to hitherto unknown aspects of Greek history''. That same year he became Fellow of Dumbarton Oaks Research Center in Washington. In 2001 he was elected Professeur invite at the Ecole des Hautes Etudes en Sciences Sociales in Paris, whereas in 2003, Vice President of the International Society for Eighteenth-Century Studies (ISECS).
In 2011 he was bestowed the officium "Archon Great Chartophylax" by the Ecumenical Patriarch Bartholomew I.
In 2012 he was elected President of the Greek Legal History Society.
Since 1991 he is editor of the academic journal Ho Eranistes, specialized in the study of the Neohellenic Enlightenment.