1998-1999: Residency & Primary Care Rural Service, Filiates Regional Hospital & Lista surgery, Greece, Dr. Tsionis.
1999-2000: Obligatory Greek Army service as unit physician (Army corps, Tank corps).
2001-2003: Clinical Fellow in Internal Medicine, University Hospital of Patras, Greece, Prof. Dr. Vagenakis.
2003-2009: Associate Clinical Fellow, Laboratory of GI Motility & Transrectal Ultrasound, University Hospital of Ioannina, Greece, Prof. Dr. Kappas, Prof. Dr. Tsianos.
2005-2009: Clinical Fellow in Gastroenterology & Hepatology, University Hospital of Ioannina, Greece, Prof. Dr. Tsianos.
2011-2012: Consultant Gastroenterologist, General Hospital of Karditsa, Dr Kogias. Provided endoscopic service, outpatient GI clinic, inpatient & emergency coverage as the only gastroenterologist of the hospital.
6/2012-today: Private Gastroenterology practice, Ioannina, Greece. General GI, gastroscopy, colonoscopy, IBD, hepatology, high resolution esophageal/ anorectal manometry, transrectal ultrasound, 24hr ambulatory pH-monitoring.