William Yarbrough Jr.

William Yarbrough Jr. is a Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Pulmonary and Critical Care Medicine. He serves as the National Program Director of Pulmonary, Critical Care, and Sleep for the VA Central Office and Chief of the Pulmonary, Critical Care, and Sleep Section at the North Texas VA Health Care System in Dallas.

His educational background includes:

• Bachelor's degrees in chemistry, biology, and mathematics from the University of Mississippi
• Master's degree in immunopathology from the University of Mississippi
• Medical degree from the University of Mississippi
• Internal medicine residency at the University of Mississippi (serving as Chief Resident)
• Fellowship in pulmonary diseases at UT Southwestern Medical Center

Dr. Yarbrough is certified by the American Board of Internal Medicine in pulmonary and critical care medicine. His research spans sleep disorders, pulmonary pathophysiology, critical care interventions, and chronic lung disease management, reflecting his dual clinical focus on sleep medicine and respiratory critical care. His work demonstrates consistent contributions to understanding sleep-related breathing disorders and acute respiratory failure management.

He maintains active membership in key professional organizations:

• American Thoracic Society
• American College of Chest Physicians
• American Academy of Sleep Medicine
• American Federation for Clinical Research

Dr. Yarbrough leads the Pulmonary, Critical Care, and Sleep Section at the North Texas VA Health Care System, directing clinical services and research initiatives focused on veteran respiratory health. His leadership extends nationally through VA program oversight, shaping pulmonary care standards across the Veterans Health Administration.