1985: Skill improvement course at ENT Panduri Clinic (today “Prof. Hociota” Medical Center pf Phono-Audiology and ENT Functional Surgery), Bucharest, Romania, with Prof.Dr. Dorin HOCIOTA, MD, PhD
November, 1987: Skill improvement course and professional exchange program at ENT Coltea Clinic, Bucharest, Romania, with Prof.Dr. Danila CINCA, MD, PhD
May, 1988: Skill improvement course at ENT Clinic, Iasi, Romania, with Prof.Dr. Cezar DINU
May 13–18, 2000: LASER Systems Usage in ENT, international course, Berlin, with Prof.Dr. Wolfgang STEINER
October 9–14, 2000: MED-EL Cochlear Implants, international course, Innsbruck, Austria
April 2-4, 2003: I-st International ENT LASER Course, Timişoara Prof. M.D. Hans Peter Zenner (University of Tubingen) and Prof. M.D. Stan Cotulbea (University of Timişoara). Department of Otorhinolaringology, Head and Neck surgery. „Victor Babeş” University of Medicine and Pharmacy.