Five University of Iowa Department of Surgery faculty members have been promoted in recognition of their contributions to patient care, education, research and service, effective July 1, 2026. The promoted faculty members are: Andre De Andrade, MD, promoted from clinical assistant professor to clinical associate professor Robert Guyton, MD, promoted from clinical assistant professor to clinical associate professor John Ledbetter, MD, promoted from clinical assistant professor to clinical associate professor Michael Weger, MD, promoted from clinical assistant professor to clinical associate professor Rachel Erdahl, MD, promoted from clinical associate professor to clinical professor