- First recipient of the Outstanding International Scholar Award, International School Psychology Association (ISPA) (2010)
- External reviewer of the Doctor of Psychology (Educational Psychology) Programme, Department of Psychology, The University of Hong Kong (2016 - present)
- Visiting professor, Queens College, NY (July 2018)
- Visiting Professor, University of South Florida, USF (July 2015)
- Invited Speaker, Trainers of School Psychologists Annual Meeting, Philadelphia, USA (2012)
- Invited Speaker, Trainers of School Psychologists Annual Meeting, San Francisco, USA (2011)
- Invited Speaker, 26th International School Psychology Colloquium of International School Psychology Association, Exeter, UK (2004)
- Representative of the International School Psychology Association and invited speaker at the 2002 Invitational Conference - The Future of School Psychology, Indianapolis, USA (2002)
- Invited keynote, 2nd Panhellenic Conference of School Psychology, University of Thessaly (2017)
- Invited keynote, 10th Panhellenic Child Psychiatric Conference, Hellenic Society of Child and Adolescent Psychiatry, School of Medicine of National and Kapodistrian University of Athens (2017)
- Invited keynote, 3rd Panhellenic Conference of Developmental Psychology, Hellenic Psychological Society & Department of Psychology, University of Thessaloniki (2013)
