Ioannis is a native of Greece. He graduated from Panteion University of Social and Political Sciences, Athens with a degree in International Studies in 1994 and holds a Master's degree in International Relations from the University of Kent at Canterbury where he also received the John Burton Prize 1998.

He is a former Alexander S. Onassis Fellow. His prior work has included research at the Institute of International Relations, Athens, the Institute of International Economic Relations, Athens, the Greek Ministry of Defence and field work with the OSCE. His research interests include conflict analysis, theoretical aspects of identity and conflict, critical and post-structural security studies, International Relations theory, and Central & Eastern European affairs.

During his stay at INCORE Ioannis is attempting an inter-disciplinary examination of the transformation of identities before the conflict in former Yugoslavia. As part of this project, he has recently conducted field research in Bosnia.