Medical Residency Student at Department of Internal Medicine, Istanbul University Istanbul Faculty of Medicine (1987-1992)
Medical Residency Student at Department of Internal Medicine, Istanbul University Istanbul Faculty of Medicine (1992-1995)
Visiting scholar (international scholar) at the Cleveland Clinic Foundation in the USA (March-June 1995)
Associate Professorship of Internal Medicine (October 2, 1996)
Professoriate of Internal Medicine (May 2002)
Istanbul Bilim University Faculty of Medicine, Department of Internal Medicine, Division of Nephrology (June 2014-December 2021)