Assoc. Prof. Cihangir Çelik, M.D. Vascular Surgery Head of Department EDUCATION / TRAINING Education Institution Year Oncology Residency Department of Surgery, Roswell Park Memorial Institution 1977 - 1979 General Surgery Residency Department of General Surgery, School of Medicine, Hacettepe University Medical Education School of Medicine, Hacettepe University 1969 CAREER Title Institution Year Head of Department Department of Vascular Surgery, American Hospital 2001 - to date Attending Physician Department of Vascular Surgery, Buffalo General Hospital 2001 Faculty Member Department of General Surgery, School of Medicine, Hacettepe University 1997 Faculty Member Buffalo General Hospital 1988