- “An ecological approach to psychological well-being : The role of teachers and schools”. Prof. Bonnie Kaul Nastasi (April, 12-13, 2014, Athens)
- «Psychosocial Variables in Academic Performance: Identity, Culture and Achievement», September3 2012, Athens. Prof. Frank C. Worrell, Director of School Psychology Graduate Program, University of California, Berkeley
- «Functional Assessment of Children with Emotional/ Behavioral Disorders», May, 22 2013. Prof. Brian Martens, Professor of Psychology, Syracuse University, USA.