Pulmonologist, specialized in Pulmonology, Respiratory Medicine and Sleep
-Faculty of Medicine, Airlangga University
-Pulmonary Specialist, Airlangga University
-National University Hospital Singapore, Department of Medicine, Subdivision of Respiratory Medicine, Critical Care and Sleep, fellowship 2005
-Tan Tock Seng Hospital Singapore, Department of Pulmonology and Sleep Medicine, 2005 fellowship.