Dr. Mellis graduated with Highest Honors from Emory University with a B.S. in Biology, and received his Doctor of Medicine at Louisiana State University College of Medicine in New Orleans, Louisiana. He completed his Surgical Internship and Urology Residency at the University of Oklahoma where he also completed his Fellowship in Urologic Oncology and Robotic Surgery under the direction of the distinguished Uro-oncologist, Dr. Michael S. Cookson. He is an active member of the American Urological Association.