• 2023: Guest lecture in collaboration with the Programme of Postgraduate Studies “Educational Sciences”: Professor Isabelle Kermen” (Educational Sciences, Didactics of Chemistry, Université Bretagne Occidentale; President of ARDIST, the international francophone research association for science and technology education): “Towards a Precursor Model of Chemical Changes”, March 21, LabDiSMICT, DESECE, University of Patras.

  • 2019: Colloque SIEST Méditerranée, Patras 2019: Scientific and Technological Education for All”, April 3-5, Conference and Cultural Center, University of Patras.

  • 2015: Sixième Colloque International du RIFEFF, July 2-4, University of Patras.

  • 2014: International Seminar “MOOCs: Benefits and Challenges for Teacher Training”, June 29-30 and July 1, University of Patras.

  • 2013: Science Celebration Event of the European Fibonacci Project for the academic year 2012-2013, June 1, Amphitheater A/E and Media Room, DESECE, University of Patras.

  • 2012: Science Celebration Event of the European Fibonacci Project for the academic year 2011-2012, May 26, Amphitheater A/E, DESECE, University of Patras.

  • 2011: Science Celebration Event of the European Fibonacci Project for the academic year 2010-2011, May 28, Amphitheater A/E, DESECE, University of Patras.

  • 2011: Conference DIDAPRO 4 – DidaSTIC: ICT in Education – Analysis of Practices and Didactic Issues”, October 24-26, University of Patras.

  • 2010: Information Day for the European Fibonacci Project, June 16, Conference and Cultural Center, University of Patras.

  • 2008: 4th Pan-Hellenic Conference “Didactics of Computer Science”, March 28-30, University of Patras.

  • 2004: ERIDOB 2004: 5th Conference of the European Researchers in Didactics of Biology, September 21-25, Conference and Cultural Center, University of Patras.

  • 2004: Biology Education seminar for primary and secondary school teachers: “Modern trends in biological education & research approaches in Biology Didactics”. Guest speakers: Jenny Lewis (University of Leeds, U.K.), Marcus Hammann (IPN, University of Kiel), Mats Hagman (University of Gothenburg, Sweden), March 22, Media Room, DESECE, University of Patras.

  • 2000: 2nd Pan-Hellenic Conference with international participation “Information and Communication Technologies in Education”, October 13-15, Conference and Cultural Center, University of Patras.