William Checkley, MD, PhD is an Associate Professor of Medicine in the Division of Pulmonary and Critical Care at the Johns Hopkins University School of Medicine and holds joint appointments in International Health and Biostatistics at the Johns Hopkins University Bloomberg School of Public Health. His research has focused on observational studies and randomized controlled trials to combat non-communicable diseases in resource-limited settings in low- and middle-income countries, with a focus on air pollution as an environmental risk factor. Dr. Checkley is Principal Investigator of NHLBI-funded research networks and trials including the Global Environmental and Occupational Health Hub in Peru, the Household Air Pollution Intervention Network (HAPIN) trial and the Late-Stage Implementation Research Addressing Hypertension in Low- and Middle-Income Countries: Scaling Up Proven-Effective Interventions. He has worked in clinical research for >15 years in international settings including Peru, Bangladesh, Nepal, India, Rwanda, Guatemala, and Uganda. He is strongly committed to non-communicable disease research and clinical research training, with 326 publications in peer-reviewed journals as cited by PubMed and an h-index of 63 as cited by Google Index. Dr. Checkley is the Founding Director of the Center for Global Non-Communicable Disease Research and Training at Johns Hopkins University. Finally, Dr. Checkley is also Director for the UMJT Fogarty Global Health Fellowship at Johns Hopkins University and has mentored >100 U.S. and international trainees. He has expertise in the conduct of clinical trials, epidemiology, and biostatistics. He received in World Lung Health Award of the American Thoracic Society in 2021 and is an elected member of the American Society for Clinical Investigation in 2022.