COURSES
 
1. Τemporal bone anatomy and surgical dissection course. Pittsburgh USA, April 14-18, 1994.
2. Surgical Anatomy of the Head and Neck. Pittsburgh USA, June 13-17, 1994.
3. Τemporal bone anatomy and surgical dissection course. Pittsburgh USA, October 12-16, 1994.
4. Endonasale Mikro-endoskopische chirurgie der nasennebenhohlen. Fulda, Germany, February 2-3, 1996.
5. 4ο Πανελλήνιο Σεμινάριο Ωτορινολαρυγγολογικής Αλλεργίας και Ανοσολογίας για τις μεθόδους διάγνωσης και θεραπείας Ωτορινολαρυγγολογικών Αλλεργικών παθήσεων. Ηράκλειο, 30 Μαρτίου 1997.
6. 1ο Χειρουργικό Σεμινάριο Ενδορρινικής Μικροενδοσκοπικής Χειρουργικής Ρινός και Παραρρινίων Κόλπων. Ηράκλειο, 23-24 Ιουνίου 1997.
7. 1ο Πανελλήνιο ΩΡΛ Σεμινάριο Πρακτικών Εφαρμογών CO2 Laser σε περιβάλλον εξωτερικού ιατρείου, Ηράκλειο Κρήτης, 21-22 Φεβρουαρίου 1998.
8. 2ο Χειρουργικό Σεμινάριο Ενδορρινικής Μικροενδοσκοπικής Χειρουργικής Ρινός και Παραρρινίων Κόλπων. Ηράκλειο, 4-5 Ιουνίου 1999.
9. Finesse in rhinoplasty. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999.
10. Canalith repositioning procedure. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999.
11. Principles and application of multispectral imaging. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999.
12. 1999 A.M. scientific sessions. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999.
13. Advances in Otolaryngology-Head and Neck Surgery 2000, Santorini, Greece, May 4-6, 2000.
14. 17th International hands on laser Course in Otolaryngology-Head and Neck Surgery. Cleveland, United Kingdom, 19-22 October, 2000.
15. 5o Σεμινάριο ΩΡΛ Αλλεργίας: Η τέχνη και η επιστήμη των δερματικών δοκιμασιών και της ανοσοθεραπείας στη διάγνωση και θεραπεία των ΩΡΛ αλλεργικών παθήσεων. Πάτρα, 3-4 Μαρτίου 2001.
16. 19th International Course in Functional Aesthetic Nasal Surgery. Utrecht, The Netherlands, June 12-15, 2001. 
17. ΧΙΙΙth International Course on Endoscopic Surgery of the Paranasal Sinuses. Brussels-Belgium, Koln-Germany, July 2001.
18. 3ο Χειρουργικό Σεμινάριο Ενδορρινικής Μικροενδοσκοπικής Χειρουργικής Ρινός και Παραρρινίων Κόλπων. Ηράκλειο, 29-30 Ιουνίου 2002.
19. 1ο Χειρουργικό Σεμινάριο Λειτουργικής και Αισθητικής Χειρουργικής Ρινός. Ηράκλειο Κρήτης, 25-26 Οκτωβρίου2002.
20. In vivo και in vitro διάγνωση των αλλεργικών παθήσεων. Πρακτική εξάσκηση. Μεταπτυχιακό σεμινάριο Αλλεργίας, Ανοσολογίας, Ροχαλητού & Αποφρακτικής Υπνικής ’πνοιας στα παιδιά. Παλαιά Πεντέλη, 5-6 Ιουνίου 2004.
21. European Academy of Otology and Neuro-Otology Intensive Summer Course. Sunny Beach, Bulgaria, June 6-8, 2004.
22. Endonasal sinus surgery Part I. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
23. Endonasal sinus surgery Part II. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
24. Common problems in rhinoplasty, how to combine safety and efficacy. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
25. Finesse in rhinoplasty. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
26. Everything you always wanted to know about allergic rhinitis. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
27. Advanced FESS techniques. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
28. Endoscopic sinus surgery: How to avoid complications. A practical guide. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
29. Reconstructive rhinoplasty techniques. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
30. Rhinoplasty: Functional and aesthetic surgery. 20th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
31. Advanced Endoscopic Surgery of the sphenoid sinus. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
32. Techniques in cartilage tympanoplasty. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
33. Antimicrobial guidelines for acute and chronic rhinosinusitis: an update from the sinus and health partnership. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
34. Chronic OME and otorrhea: an allergic disease, rationale and management. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
35. Update on allergic and non allergic rhinitis. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
36. Practical imaging in Otology. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
37. Current controversies in otitis media. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
38. 2nd Instructional Workshop of the European Academy of Otology & Neuro-Otology, Nice, France, 21-24 October, 2004.
39. Practical workshop on “Surface Illumination and Interstitial Photodynamic Therapy”. University College London (UCL) Hospitals Trust. London, United Kingdom, April 10-12, 2006.
40. Botulinum Toxin in Otolaryngology and Facial Plastic Surgery. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007.
41. Rhinoplasty: Functional and Aesthetic Surgery. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007.
42. The Nasal Valve in Primary and Revision. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007.
43. Advanced Aesthetic and Functional Rhinoplasty. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007.
44. The oncological approach in Head and Neck patients. One week course. NYU Clinical Cancer Center, New York, NY, USA, September 19-26, 2007.
45. 5th Aegean Postgraduate Radiology Course. Hersonissos-Crete, Greece, September 28-30, 2007. 
46. Botox and Fillers for Facial Lines and Wrinkles. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Chicago, IL, USA, September 21-24, 2008.
47. Mastoidectomy for the General Otolaryngologist. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Chicago, IL, USA, September 21-24, 2008.
48. The Ten –Minute Exam of the Dizzy Patient. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Chicago, IL, USA, September 21-24, 2008.
49. Phonosurgery: What to do and what to avoid on Laser and Cold Instrumentation. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Chicago, IL, USA, September 21-24, 2008.