2002 – 2005 PostDoctoral Associate, School of Medicine, Yale University, New Haven, USA. Summer Researcher in the Marine Biological Laboratory, Woods Hole, USA.
2005 – 2006 Research Associate Scientist, School of Medicine, Yale University, New Haven, USA. Summer Researcher in the Marine Biological Laboratory, Woods Hole, USA.
2006 – 2008 Researcher, School of Biology, Aristotle University of Thessaloniki, Thessaloniki, Greece.
2008 – 2010 Scientific collaborator, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece.