Ying-Chun Chien, MD, is a graduate of National Taiwan University College of Medicine. He completed the training in internal medicine and pulmonary/critical care medicine at National Taiwan University Hospital. Dr. Chien has been practicing since 2012 as attending physician at National Taiwan University Hospital, where is one of the top hospital in Taiwan. Dr. Chien’s practice specializes in the care of critically ill and lung cancer. Dr. Chien’s interests also include infection issues of critically ill patients. He is also a clinical instructor of internal medicine at National Taiwan University College of Medicine and is a student in his Ph.D. program in the Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University. Dr. Chien is board certified in internal medicine, pulmonary medicine, and critical care medicine.