1991 - 2008 — Marmara University Faculty of Medicine Nöroşirurji Department, Professor
1986 - 2007 — Marmara University Faculty of Medicine Nöroşirürji Department Başkanı
1992 - 2006 — Marmara University Nöroloji Bilimler Institute Müdürlüğü
2005 — Acıbadem Healthcare Services
1992 - 1993 — Pittsburg Ün, Virginia Ün, George Washington Ün.
1992 — Marmara University Faculty of Medicine
1986 - 1991 — Marmara University Faculty of Medicine Nöroşirurji Department, Associate Professor
1986 — Marmara University Faculty of Medicine
1985 - 1986 — Hacettepe University Faculty of Medicine
1981 - 1985 — Hacettepe Ün. Faculty of Medicine Nöroşirürji A.B.D. , Hacettepe University Faculty of Medicine Nöroşirürji Department, Uzman Hekim,
1985 — Hacettepe University Faculty of Medicine Nöroşirurji Department, Yardımcı Associate Professor
1985 — Hacettepe University Faculty of Medicine
