He joined Cleveland Clinic in 2013 after completing his fellowship in Pulmonary/Critical Care Medicine at Johns Hopkins University. His primary area of expertise is in the evaluation and treatment of patients with pulmonary arterial hypertension (PAH). Dr. Chaisson has active clinical and research interests in the hemodynamic evaluation of PAH patients and in medical education. He has been a runner-up for the Distinguished Teacher Award from the Internal Medicine Residency Program in 2015 and 2016 and was presented with the award in 2017. He directs educational training for the Pulmonary Vascular Disease Program. He also maintains a strong interest in critical care medicine and in the understanding of hemodynamic parameters surrounding shock assessment.