ΣΥΜΜΕΤΟΧΗ ΣΕ ΔΙΕΘΝΗ  ΕΠΙΣΤΗΜΟΝΙΚΑ ΣΕΜΙΝΑΡΙΑ – ΣΥΝΕΔΡΙΑ

1. 1^st Mediterranean Medical Meeting. Heraklion, Crete, September 24-28, 1989.
2. Mini Seminar in Otolaryngology. Pittsburgh USA, February 16, 1994. 
3. Τemporal bone anatomy and surgical dissection course. Pittsburgh USA, April 14-18, 1994. 
4. Otolaryngology Alumni Teaching Day. Pittsburgh USA, April 29, 1994. 
5. Surgical Anatomy of the Head and Neck. Pittsburgh USA, June 13-17, 1994. 
6. Τemporal bone anatomy and surgical dissection course. Pittsburgh USA, October 12-16, 1994. 
7. Cancer of the Oral cavity: Comprehensive Approach. Pittsburgh USA, October 19, 1994. 
8. Endonasale Mikro-endoskopische chirurgie der nasennebenhohlen. Fulda, Germany, February 2-3, 1996. 
9. 2^nd European Congress of Medical Students. Thessaloniki, Greece, May 3-5, 1996.
10. 3^rd Congress of the European Federation of Otorhinolaryngological Societies (EUFOS). Budapest, Hungary, June 9-14, 1996.
11. 1^st World Congress of Otolaryngologic Allergy, Endoscopy and Laser Surgery. Athens, June 24-27, 1998. 
12. 2^nd Euroconference on Cell Dynamics. Heraklio, October 24-28, 1998.
13.     Finesse in rhinoplasty. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999. 
14. Canalith repositioning procedure. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999. 
15. Principles and application of multispectral imaging. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999. 
16. 1999 A.M. scientific sessions. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999. 
17. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New Orleans, Lousiana, USA, September 26-29, 1999. 
18. Surgical Treatment of Nasal Obstruction in Children. 50^th Anniversary Extraordinary Congress of Spanish Society of Otolaryngology-Head and Neck Surgery, Madrid, Spain, October 24-27, 1999. 
19. Horizontal Supraglottic Laryngectomy with Descent of Tongue Base and Reconstruction of piriform Sinus. 50^th Anniversary Extraordinary Congress of Spanish Society of Otolaryngology-Head and Neck Surgery, Madrid, Spain, October 24-27, 1999. 
20. Advanced Endoscopic Surgery in Skull Base Tumors. 50^th Anniversary Extraordinary Congress of Spanish Society of Otolaryngology-Head and Neck Surgery, Madrid, Spain, October 24-27, 1999. 
21. 50^th Anniversary Extraordinary Congress of Spanish Society of Otolaryngology-Head and Neck Surgery, Madrid, Spain, October 24-27, 1999.
22. 4^th European Congress of Otorhinolaryngology Head and Neck Surgery, Berlin, Germany, May 13-18, 2000.
23. Zur 71. Jahresversammlung der Deutschen Gesellschaft fur Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e. V. Berlin, Germany, May 13-18, 2000.
24. 19^th International Conference of Young Otolaryngologists, St. Petersburg, Russia, June 19-21, 2000. 
25. Millenium International Workshop on Biological Effects of Electromagnetic Fields. Heraklio, October 17-20, 2000.
26. 17^th International hands on laser Course in Otolaryngology-Head and Neck Surgery. Cleveland, United Kingdom, 19-22 October, 2000. 
27. Seminar on Otology and Neuro-Otology. 3-d Video seminar, Cadaver dissection, May 2001 Stara Zagora, Bulgaria. 
28. 19^th International Course in Functional Aesthetic Nasal Surgery. Utrecht, The Netherlands, June 12-15, 2001.
29. 2^nd World Congress of Otolaryngologic Allergy Endoscopy and Laser Surgery. Athens, June 20-23, 2001. 
30. Joint Meeting of the American Academy of Otolaryngology – Head and Neck Surgery, and of the Panhellenic Society of Otorhinolaryngology – Head and Neck Surgery. Athens, June 20-23, 2001. 
31. ΧΙΙΙth International Course on Endoscopic Surgery of the Paranasal Sinuses. Brussels-Belgium, Koln-Germany, July 2001. 
32. Symposium 2002, Preoperative Management of the High Risk Patient, Heraklio, May 10-12, 2002.
33. The XVIIth World Congress of The International Federation of Oto-Rhino-Laryngological Societies (IFOS). Cairo, Egypt 28^th Sept-3 Oct., 2002.
34. Vertigo meeting. International Meeting in Otology and Neuro Otology. Stara Zagora-Zheravna, Bulgaria, May 15-18, 2003.
35. 1^st Mediterranean Melanoma Meeting, Mediterranean Sea Aegean, 2-5 May 2003. 
36. ILLA / LTL ‘2003 International Conference and Symposium in Laser Technology and Lasers. Plovdiv, Bulgaria, September 27 – October 1, 2003. 
37. 4^η Κοινή Συνάντηση Ελληνικής και Τουρκικής Εταιρείας Ωτορινολαρυγγολογίας – Χειρουργικής Κεφαλής και Τραχήλου. Θεσσαλονίκη, 8-12 Οκτωβρίου 2003. 
38. 6^th International Conference on Pediatric Otorhinolaryngology. Athens, Greece, May 16-19, 2004.
39. 20^th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004. 
40. Advanced FESS techniques. 20^th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
41. Endoscopic sinus surgery: How to avoid complications. A practical guide. 20^th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
42. Reconstructive rhinoplasty techniques. 20^th Congress of the European Rhinologic Society. Istanbul, Turkey, June 18-25, 2004.
43. 23^rd International Symposium on Infection and Allergy of the Nose. Istanbul, Turkey, June 18-25, 2004.
44. 5^th European Congress of Otorhinolaryngology Head and Neck Surgery, Rhodes-Kos, Greece, September 11-16, 2004.
45. 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. 
46. Techniques in cartilage tympanoplasty. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004.
47. 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. 
48. 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.
49.            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. 
50. Practical imaging in Otology. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004. 
51. Current controversies in otitis media. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004. 
52. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, New York, New York, USA, September 19-22, 2004. 
53. 2^nd Instructional Workshop of the European Academy of Otology & Neuro-Otology, Nice, France, 21-24 October, 2004. 
54. The XVIIIth World Congress of The International Federation of Oto-Rhino-Laryngological Societies (IFOS). Rome, Italy 25-30 June, 2005.
55. Global Allergy Summit 2006. Allergy: Symptom control and beyond. Istanbul, Turkey, March 24-25, 2006. 
56. Practical workshop on “Surface Illumination and Interstitial Photodynamic Therapy”. University College London (UCL) Hospitals Trust. London, United Kingdom, April 10-12, 2006. 
57. 21^st Congress of the European Rhinologic Society. Tampere, Finland, June 11-15, 2006. 
58. 25^th International Symposium on Infection and Allergy of the Nose. Tampere, Finland, June 11-15, 2006. 
59. Ελληνο-Κροατική Αλλεργιολογική Συνάντηση με θέμα: «Σύγχρονες αλλεργίες. Σύγχρονες θεραπείες». Dubrovnik, Croatia, April 13-15, 2007. 
60. Zur 78. Jahresversammlung der Deutschen Gesellschaft fur Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e. V. Munich, Germany, May 16-20, 2007.
61. 6^th European Congress of Otorhinolaryngology Head and Neck Surgery. Vienna, Austria, June 30^th – July 4^th, 2007. 
62. American Academy of Otolaryngic Allergy Annual Meeting. Washington DC, USA, September 13-16, 2007. 
63. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting. Washington DC, USA, September 16-19, 2007. 
64. 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.
65. Rhinoplasty: Functional and Aesthetic Surgery. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007. 
66. The Nasal Valve in Primary and Revision. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007.
67. Advanced Aesthetic and Functional Rhinoplasty. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Washington DC, USA, September 16-19, 2007.
68. The oncological approach in Head and Neck patients. One week course. NYU Clinical Cancer Center, New York, NY, USA, September 19-26, 2007. 
69. 5^th Aegean Postgraduate Radiology Course. Hersonissos-Crete, Greece, September 28-30, 2007.
70. 12^th Congress of the International Rhinologic Society. Venice, Italy, December 5-9, 2007.
71. The Face of Inflammation: Managing the Spectrum of Symptoms in Upper Respiratory Disease. Barcelona, Spain, January 19-20, 2008.
72. Belgian Rhinologic Society Inauguration. Bruges, Belgium, April 12, 2008. 
73. 1^st Scientific Meeting of the Pathophysiology of Allergic Diseases and modern Therapeutic Approaches. Constantinople, Turkey, May 16-18, 2008.
74. 8^th International Conference on Pediatric Otorhinolaryngology. Budapest, Hungary, June 8-11, 2008. 
75. 38^th Annual Meeting of Japan Society for Infection in Otorhinolaryngology. Matsue, Shimane, Japan, September 4-6, 2008. 
76. 32^nd Annual Meeting of Japan Society for Aerosols in Medicine. Matsue, Shimane, Japan, September 4-6, 2008. 
77. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting. Chicago, IL, USA, September 21-24, 2008. 
78. 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. 
79. Mastoidectomy for the General Otolaryngologist. American Academy of Otolaryngology – Head and Neck Surgery Annual Meeting, Chicago, IL, USA, September 21-24, 2008. 
80. 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. 
81. 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.
82. XIX World Congress of Asthma. Monte Carlo, Monaco, November 5-8, 2008. 
83. Treatment Strategies for Upper Respiratory Disease: Managing the Disease/Treating the Symptoms. Berlin, Germany, January 16-18, 2009. 
84. University of Pittsburgh Alumni Day. Allergy, Asthma and Sinus Update. Pittsburgh PA, USA, April 3-4, 2009.
85.          XXVIII Congress of the European Academy of Allergy and Clinical Immunology. Warsaw, Poland, June 6-10, 2009. 
86. Annual Congress of the Royal Belgian Society of Ear Nose and Throat Head and Neck Surgery. Brussels, Belgium, November 20-21, 2 
87. 3^rd Alpine Instructional Course in Rhinology, Endoscopic Sinus Surgery, and Septorhinoplasty. Crans Montana, Switzerland, January 16-20, 2010. 
88. 1st Belgian Rhinologic Society Congress. Bruges, Belgium, April 23-24, 2010.
89. 2^nd Excellence in Rhinoplasty Course. Leuven, Belgium, March 4-5, 2010.
90. 5^th Bodrum Rhinocamp. Bodrum, Turkey, May 26-30, 2010. 
91. EAACI ENT Section Allergic Rhinitis Course. 5^th Bodrum, Turkey, May 27^th, 2010. 
92. EAFPS Facial Plastic Surgery Course. 5^th Bodrum, Turkey, May 29^th, 2010. 
93. XXIX Congress of the European Academy of Allergy and Clinical Immunology. London, United Kingdom, June 5-9, 2010. 
94. 23^rd Congress of the European Rhinologic Society. Geneva, Switzerland, June 20-24, 2010.
95. 29^th International Symposium of Infection & Allergy of the Nose. Geneva, Switzerland, June 20-24, 2010.
96. 4^rd Alpine Instructional Course in Rhinology, Endoscopic Sinus Surgery, and Septorhinoplasty. Crans Montana, Switzerland, January 22-26, 2011.
97. 7^th Aegean Meeting on Neurologic Therapeutics. Heraklio, Crete, Greece, May 27-28, 2011. 
98. XXX Congress of the European Academy of Allergy and Clinical Immunology. Istanbul, Turkey, June 11-15, 2011.
99. 34^th Annual Conference of the European Academy of Facial Plastic Surgery. Bruges, Belgium, September 1-4, 2011.
100. 9^th Shimane International Seminar in Otorhinolaryngology. Matsue, Japan, September 17, 2011.  
101. 14^th Congress of the International Rhinologic Society. Tokyo, Japan, September 20-23, 2011.
102. 30^th International Symposium of Infection & Allergy of the Nose. Tokyo, Japan, September 20-23, 2011.
103. 3^rd Excellence in Rinoplasty Course. Leuven, Belgium, March 14-16, 2012.
104. XXXΙ Congress of the European Academy of Allergy and Clinical Immunology. Geneva, Switzerland, June 16-20, 2012.
105. 24^th Congress of the European Rhinologic Society. Toulouse, France, June 17-21 2012.
106. 31^st International Symposium on Infection & Allergy of the nose. Toulouse, France, June 17-21 2012. 
107. 2^nd International Symposium on Thoracic and Upper Aerodigestive Malignancies. Athens, Greece, April 4-6, 2013.
108. 20^th World Congress of the International Federation of Otorhinolaryngological Societies. Seoul, Korea, June 1-5, 2013. 
109. 36^th Annual Conference of the European Academy of Facial Plastic Surgery. Oslo, Norway, August 29-September 1, 2013.
110. VII International Symposium on recent advances in rhinosinusitis and nasal polyposis. Matsue, Japan, October 4-6, 2013. 
111. 4th Excellence in Rhinoplasty Course. Leuven, Belgium, March 19-21, 2014. 
112. XXXIII Congress of the European Academy of Allergy and Clinical Immunology. Copenhagen, Denmark, June 7-11, 2014.
113. 25^th Congress of the European Rhinologic Society. Amsterdam, The Netherlands, June 22-26, 2014.
114. 33^rd International Symposium on Infection & Allergy of the nose. Amsterdam, The Netherlands, June 22-26, 2014. 
115. 8^th Alpine Nasal Course. Crans Montana, Switzerland, January 24-28, 2015. 
116. 2^nd Shiraz Rhinology International Course. Shiraz, Iran, April 14-17 2015.
117. 3^rd Congress of European ORL-HNS. Prague, Czech Republic, June 7-11, 2015.
118. 54^th Annual Meeting of the Japanese Rhinologic Society. Hiroshima, Japan, October 1-3, 2015. 
119. 10^th Shimane International Seminar in Otorhinolaryngology. Matsue, Japan, October 4, 2015.
120. 7^th International Symposium on Sentinel Node Biopsy in Head and Neck Cancer. Rome, Italy, April 8-9, 2016. 
121. OASSIS II, 2^nd Oceanic-American Sinus/Skull Base Interactive Symposium. Atlanta GA, USA, May 5-7, 2016.
122. 13^th Congress of the European Society of Pediatric Otorhinolaryngology. Lisbon, Portugal, June 18-21, 2016.
123. 26^th Congress of the European Rhinologic Society. Stockholm, Sweden, July 3-7, 2016.
124. 35^th International Symposium on Infection & Allergy of the nose. Stockholm, Sweden, July 3-7, 2016.
125. 1^st European Rhinology Research Forum. Brussels, Belgium, November 17-18, 2016. 
126. IX International Symposium on Recent Advances in Rhinosinusitis & Nasal Polyposis. Kuala Lumpur, Malaysia, November 21-23, 2016.
127. 21^st World Congress of the International Federation of Otorhinolaryngological Societies. Paris, France, June 24-28, 2017. 
128. 18^th Rhinology World Congress. Hong Kong, China, September 1-3, 2017.
129. 36^th Congress of the International Society of inflammation and Allergy of the Nose. Hong Kong, China, September 1-3, 2017.
130. 4^th Congress of the European ORL-HNS. Barcelona, Spain, October 7-11, 2017.
131. EUFOREA European Rhinology Research Forum. Brussels, Belgium, November 9-10, 2017.
132. 27^th Congress of the European Rhinologic Society. London, United Kingdom, April 22-26, 2018.
133. 41^st Annual Conference of the European Academy of Facial Plastic Surgery. Regensburg, Germany, September 12-15, 2018.
134. EUFOREA Rhinology Future Debates. Brussels, Belgium, December 8, 2018.
135. 42^nd Windows Approach Workshop for Cochlear Implants. World Hearing Center. Kajetany, Poland, February 25-27, 2019.
136. XXXVIII Congress of the European Academy of Allergy and Clinical Immunology. Lisbon, Portugal, June 1-5, 2019.
137. Rhinoworld Chicago 2019 Meeting. Chicago, USA, June 5-9, 2019.
138. Surgical Foundation Course on Cochlear Implants. Cochlear Academy. Verona, Italy, July 3-5, 2019.
139. 42^nd Annual Conference of the European Academy of Facial Plastic Surgery. Amsterdam, The Netherlands, September 18-21, 2019.
140. 58^th Annual Meeting of Japanese Rhinologic Society. Tokyo, October 2-5, 2019.
141. 16^th Shimane International Seminar in Otorhinolaryngology. Matsue, Japan, October 7^th, 2019.
142. EUFOREA European Rhinology Research Forum. Sitges, Spain, November 13-15, 2019.
143. EUFOREA Expert Board Meeting on: “Biologics in Otorhinolaryngology”. Brussels, Belgium, January 25, 2020.
144. 28^th Congress of the European Rhinologic Society. Thessaloniki, Greece, September 26-30, 2021.