Dr. Ethan Kellum is a native of Henderson, Tennessee and attended Jackson Christian School and Freed-Hardeman University. He earned a medical degree from the University of Tennessee Health Science Center College of Medicine in Memphis.

After a residency in orthopedic surgery at the Medical College of Georgia, he then completed a surgical fellowship in sports medicine, shoulder, and advanced arthroscopy at the renowned New England Baptist Hospital and Boston Children's Hospital in Boston, Massachusetts. During his fellowship he served as assistant team physician for the NBA's Boston Celtics, and for both Harvard and Tufts' University athletics. Dr. Kellum is a member of the prestigious Alpha Omega Alpha Medical Honor Society. Dr. Kellum has actively been involved in orthopedic surgery research throughout his medical career. He also has authored and co-authored several peer reviewed orthopedic surgery articles and book chapters.

Dr. Kellum still performs arthroscopic surgery of the shoulder and knee, his main focus is to utilize regenerative medicine ( stem cells and platelet rich plasma) to address orthopedic conditions and chronic diseases.