Jeffrey E. Keenan graduated from the University of Maryland School of Medicine in 2011, where he was elected to the AOA medical honor society. He then matriculated to the surgery residency program at Duke University Medical Center in Durham, North Carolina. He graduated from the general surgery program in 2018 and achieved certification from the American Board of Surgery in 2019. He completed subspecialty training in cardiothoracic surgery in 2020 and achieved certification from the American Board of Thoracic Surgery in 2021. Also during his time at Duke, Dr. Keenan spent two years supported by an F32 National Research Service Award from the NIH conducting research investigating mitochondrial function and oxidative stress in the failing heart. Upon completion of training in 2020, Dr. Keenan joined the faculty at the University of Washington in Seattle, Washington. After two years at the University of Washington, Dr. Keenan returned to Duke as a faculty member in 2022, where he is currently an assistant professor of surgery. He practices as an adult cardiac surgeon with a subspecialty focus in heart transplantation and mechanical circulatory support.