||- Reservist Lieutenant Doctor, 251 General Hospital, Lefkada, 1983-1985
- Rural Doctor, Rapsani Larissa, 1985-1986
- Specialization in Otolaryngology, Head and Neck Surgery at the Hospital "Sotiria". 1986-1991
- Expertise in functional endoscopic sinus microsurgery and surgical Laser. HNO Klinik Köln University, Germany. Professor: W.Thumfart, J.Stenert. 10-11/1990
- Expertise in surgery with Laser. ENT Clinic of Erasmus University. Rotterdam, The Netherlands. Professor: Kneht. 12/1990
- Consultant in ENT Clinic of the University of Bristol in England. Ear, Nose & Throat Department, Bristol Royal Infirmary, Bristol University. U.K. 1991-1994
- Expertise on developments in microsurgery of the frontal sinus and skull base. HNO Klinic, Fulda University, Germany. Professor: W.Draf. 7-8/2007
- Consultant in ENT Clinic "Medical Center." Prof. G.Dokianakis. 1995
- From 1995 until now a permanent partner in the "HEALTH"
• Since 1994, effort dissemination, promotion and training of otolaryngologists in the learning process of Endoscopic Microsurgery of the nose and paranasal by organizing specialized training courses.
• Organisation of scientific conferences on topics of interest Rhinology, culminating in the Pan and Rhinology World Congress 2008 in Crete.
• Founding member of Otolaryngologic Research Society (UK), 1992
• Founding member of the Greek Rinologikis Company (1996) and for 12 years a member of the Board