- 2nd International World FUE Institute Workshop (Athens, Greece, 22-25 Juni 2017)
- 3rd National Congress for the use of growth factors, cell therapy and AGF in Dermatology (Milan, 9-10 November 2013)
- 21th Annual Scientific Meeting (ISHRS, San Francisco, 23-26 Oktober, Hyatt Regency)
- 2nd National Congress for the use of growth factors, cell therapy and AGF in Dermatology (Milan, 18-19 Januar 2013)
- 20th Annual Scientific Meeting (ISHRS, Paradise Island, Bahamas, 17-20 Oktober 2012)
- III International Symposium on Plastic Surgery and Cosmetology (Moscow, 17 – 20 Mai 2012)
- 18th Annual Scientific Meeting (ISHRS, Boston, USA, 19-24 Oktober 2010)
- 17th Annual Scientific Meeting (ISHRS, Amsterdam, Holland, 22-26 Juli 2009)
- 16th Annual Scientific Meeting (ISHRS, Montreal, Canada, 3-7 September 2008)
- 11th Annual Congress and Live Surgery Workshop ( ESHRS, Madrid, Spain, 29-31 May and 1 Juni 2008)
- 10th Annual Congress and Live Surgery Workshop (ESHRS, Paris, France, Mai 2007)
- European Society of Plastic Reconstructive and Aesthetic Surgery (Rome, Italy, September 2001)
- XVI National Congress Society of Dermatologic Surgery (Mai, 2001)
- 19th International Congress of Aesthetics Medicine (Rome, 3-5 April 1998)
- 3rd Panhellenic Congress of Plastic Reconstructive & Aesthetic Surgery (Athens, 6-8 November 1997)
- 8th European Congress of Plastic Surgery IPRAS (Portugal, Juni 1997)
- 14th Congress of International Association of Plastic Surgery (Brazil, 31 May – 3 Juni 1997)
- 20th Panhellenic Surgery Congress (Athens, 3-7 November 1996)
- “What new in Plastic Surgery” (Athens, November 1996)
- 45th International Congress of Plastic Surgery (Perugia, 12-17 Oktober 1996)