Dr. Cynthia "Cindy" Dunbar is National Institutes of Health (NIH) Distinguished Investigator and Chief of the Translational Stem Cell Biology Branch at the National Heart, Lung, and Blood Institute of the NIH. She talks about using macaques to study hematopoiesis and aging, and the challenges and considerations for using these models. She also discusses her collaborative study transplanting iPSC-derived cardiomyocytes into rhesus macaques, as well as the NIH's unique research environment and her musical talents outside of the lab.