(without those mentioned in the main conference page)
10th Greek Congress of Chemistry "Applied Chemical Research and Technology", Patras, 2-7 December 1985, Greece.
"New Advanced Materials", 4-6 December 1989, Athens, Greece.
"Biomaterials: Materials, Products and Clinical Applications in the 1990s", Course by prof. D.F.Williams (Univ. of Liverpool), 3-6 June 1990, Patras, Greece.
"Materials Characterization", Technological Park of Patras, 20.9.91-25.12.91, Patras, Greece.
7th International Conference International and Interface Boundaries in Materials, June 26-29, 1995, Lisbon, Portugal.
"Advanced Course on Biomaterial-Cells Interactions", Course in the "Instituto de Engenharia Biomidica" (INEB - Porto), 12-14 June 2000, Porto, Portugal.
"Biomineralization of Implant Materials", Workshop in the "Instututo Superior Tecnico", University of Lisbon, 15 June 2000, Lisbon, Portugal.
"High Temperature Capillarity-2000", Kurashiki, Japan, 19-22 November 2000, (invited).
"Advanced Course in Biomaterials: Cell-Material Interactions", Course in the "Instituto de Engenharia Biomedica" (INEB - Porto), 18-20 June 2001, Porto, Portugal.
"Advanced Course in Biomaterials: Biomedical Ceramics and Polymers", Course in the "Instituto de Engenharia Biomedica" (INEB - Porto), 21-22 June 2001, Porto, Portugal.
3rd Workshop of the Greek Society of Biomaterials, Athens, 21 - 22 November, 2008.
4th Workshop of the Greek Society of Biomaterials, Athens, 27 - 29 November, 2009.
"Electroceramics and Applications", Attendance and Charing of Workshop of the Greek Society of Ceramics (EKE), University of Ioannina, 29 September, 2010.
4th National Conference of the Greek Society of Metals, Thessaloniki, 4 - 5 November, 2010.
4th National Conference of the Greek Society of Metals, Ioannina, 7-9 December, 2016.
Workshop of the Greek Society of Ceramics "Ceramics in Industrial Production", National Technical University of Athens, 24 February 2017.
