1993 - 2006 — Uludağ University Faculty of Medicine / Professor
2005 — Acıbadem Healthcare Services
1988 - 1993 — Uludağ University Faculty of Medicine / Associate Professor
1991 — Mayo Clinic, Rochester Minesota Colorectal Surgical Dept.
1985 - 1988 — Uludağ University Faculty of Medicine / Yardımcı Associate Professor
1983 - 1985 — Uludağ University Faculty of Medicine
1982 - 1983 — İstanbul Gümüşsuyu Asker Hospital
1982 — Gerede Devlet Hospital