On January 5, 2023, Nuwellis, Inc. announced the appointment of John Jefferies, MD, MPH, FACC, FHFSA as Chief Medical Officer (CMO). In this new role, Dr. Jefferies will provide Nuwellis with strategic guidance on clinical and medical affairs issues, act as a liaison between the Company and the medical community and serve as a key advisor on corporate development matters. Dr. Jefferies currently serves as the Jay M. Sullivan Endowed Chair in Cardiovascular Medicine and Chief of Cardiology at the University of Tennessee Health Science Center.

He will continue in this role while serving as CMO for Nuwellis. Dr. Jefferies began his medical career with a combined residency in internal medicine and pediatrics at the University of Kentucky. Dr. Jefferies then completed a fellowship in general internal medicine and earned a master's degree in public health from the University of Kentucky before completing an additional combined fellowship in adult cardiovascular diseases and pediatric cardiology at the Baylor College of Medicine.

Dr. Jefferies has served on the Nuwellis medical advisory board since 2019.