Georgios Kritikos is a Postdoc researcher at the Learning Technology and Educational Engineering Laboratory of the University of the Aegean, Greece (ltee.org). His interests lie in educational technology, computer supported collaborative learning, metacognition, reflection and modeling physics. He holds a B.Sc. in Physics from Aristotle University of Thessaloniki (AUTH) (2001), a M.Sc. in "Electronic Physics and Radioelectrology (Telecommunications)" from AUTH (2004), a M.Ed. in "Modeling Design and Development of Educational Units" from University of the Aegean (UoA) (2006) and a Ph.D. in Didactics of Physics using ICT from UoA (2013). He has designed an educational software tool, the ART (Analogical Reflection Tool), which assists students while reflecting analogically. He has been the director of the Centre of Science Laboratory of the Southern Group of Dodecanese, Greece, since July 2014.