JoAnn Manson, MD, DrPH, is a renowned professor in the Department of Epidemiology at the Harvard School of Public Health. She also serves as a professor of medicine at Harvard Medical School and is the Chief of the Division of Preventive Medicine at Brigham and Women's Hospital. Dr. Manson earned her medical degree from Case Western Reserve University School of Medicine and her doctorate in public health from Harvard School of Public Health. Her research primarily focuses on the prevention of type 2 diabetes and its cardiovascular complications. She is also interested in identifying biochemical and genetic markers for diabetes and cardiovascular disease. Dr. Manson's work has significantly contributed to our understanding of how to prevent diabetes and manage its complications, making her a key figure in the field of diabetes research.