After graduating from residency at Northwestern University in Chicago, IL, Dr. Clark came to New Haven to complete his fellowship in Pulmonary and Critical Care medicine at Yale. After fellowship he has remained at Yale as junior faculty . His chief interest includes the care of severe and difficult to control asthma through the Yale Center for Asthma and Airway Disease. His work in YCAAD involves identification of barriers to optimal asthma care for patients and, when appropriate, application of novel biologic therapies for severe asthma. He also has an interest in pulmonary physiology and cardiopulmonary exercise testing (CPET) as well as teaching pulmonary physiology to fellows. His critical care interests include ventilator management and the heart lung interactions that complicate ICU care.