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

Sleep Disorders (All sleep disorders)
Diagnosis and treatment of Obstructive Lung Diseases (COPD, Asthma, etc.) Diagnosis and Treatment of Pleural Diseases
Diagnosis and treatment of Diffuse Interstitial Lung Diseases
Diagnosis and Treatment of Collagen Vascular Lung Diseases Diagnosis and Treatment of Tuberculosis (all organs)
Sarcoidosis Diagnosis and TreatmentMassive Hemoptysis Diagnosis and Treatment Lung Cancer Diagnosis and Staging