Assistant Professor (1986-1990) Anadolu University Faculty of Medicine, Department of Chest Diseases and Tuberculosis.
Associate Professor (1990-1991) Anadolu University Faculty of Medicine, Department of Chest Diseases and Tuberculosis.
Associate Professor (1991-1993) İnönü University Faculty of Medicine, Department of Chest Diseases and Tuberculosis.
Sleep Disorders Fellow (1991-1992)Baylor College Of Medicine, Sleep Disorders Center, Houston, Texas, United States)
Clinic Manager (1993-2000) Chest Diseases and Tuberculosis Clinic Sleep Disorders Center, SSK Ankara Training Hospital
Clinic Chief (2000-2005) Chest Diseases and Tuberculosis Clinic Sleep Disorders Center, SSK Ankara Training Hospital
Chief of Clinic (2005-2012) Sleep Disorders Center of the Pulmonary Diseases and Tuberculosis Clinic, MoH. Diskapi YB Education and Research. Hospital• Professor (2014-2016 ) Kafkas University. Faculty of Medicine, Department of Chest Diseases
Professor (2016-2017) Health Management, Ardahan University School of Health Sciences