Michael J. Joyner, M.D., is the Caywood Professor of Anesthesiology at Mayo Clinic where he was named Distinguished Investigator in 2010. In 2018 he received an Outstanding Investigator Award from the NIH. His research interests include oxygen transport, exercise physiology, human performance, blood pressure regulation, metabolism, and transfusion practices. Most recently he has led national efforts related to convalescent plasma and COVID-19. Joyner is also interested in the limits of scientific reductionism and has challenged the Precision Medicine narrative in the popular press and key scientific journals. He attended the University of Arizona where he graduated with a B.S. in 1981 and M.D. in 1987. He completed his Anesthesiology training at Mayo in 1993 and then developed an independent research program that has been funded by the NIH since that time. His former fellows have established research programs at leading institutions throughout the world and he has held leadership positions at Mayo, in the extramural research community, and with leading journals.