Dr. Stefan Dumitrache-Rujinski, MD, PhD, FCCP, is a highly skilled and experienced physician in pulmonary diseases, with expertize in providing care for patients with respiratory failure, sleep apnea and obesity hypoventilation, being a valuable member of the medical team at „Marius Nasta” Institute of Pneumophtisiology. He is a member of the academic community, occupying the position of lecturer at the chair of Pneumophthisiology at “Carol Davila” University of Medicine and Pharmacy in Bucharest.