The document describes the development of the pulmonary hypertension treatment team at Christiana Care Health Services from an informal approach in the late 1990s to the current comprehensive multidisciplinary team that provides dedicated care and support for their 100 PH patients. It outlines the key players that championed the program, their efforts to conduct needs assessments and develop a business plan, and how they established defined team member roles and systems to coordinate inpatient and outpatient care.