Dr. Balbus is the Director of the new Office of Climate Change and Health Equity within the Office of the Assistant Secretary for Health and the Deputy Assistant Secretary for Climate Change and Health Equity. A physician and public health professional with over 25 years of experience working on the health implications of climate change, Dr. Balbus has served as HHS Principal to the U.S. Global Change Research Program and co-chair of the working group on Climate Change and Human Health for the U.S. Global Change Research Program since he joined the federal government in 2009. Before coming over to the new Office, Dr. Balbus served as Senior Advisor for Public Health to the Director of the National Institute of Environmental Health Sciences. Prior to joining NIEHS, Dr. Balbus was the Chief Health Scientist at the Environmental Defense Fund and an Associate Professor of Environmental and Occupational Health at the George Washington School of Public Health and Health Services. He received his MPH degree from the Johns Hopkins School of Hygiene and Public Health, his MD degree from the University of Pennsylvania, and his undergraduate degree in Biochemistry from Harvard University. He was elected to the National Academy of Medicine in 2021.