Current Residents in the Orthopaedic Surgery Residency Program
PGY-5 Chief Residents

William Tanner Cox, M.D.
Dr. Cox is a graduate of Auburn University with a degree in biomedical sciences. He received his Doctor of Medicine from the University of South Alabama College of Medicine.

Ian Alexander Garrison, M.D.
Dr. Garrison is a graduate of Spring Hill College with a degree in biology. He received his Doctor of Medicine from the University of South Alabama College of Medicine.
PGY-4

Thomas Allen Boyd, M.D.
Dr. Boyd is a graduate of the University of South Alabama with a degree in biomedical sciences. He received his Doctor of Medicine from the University of South Alabama College of Medicine.

Christian Blake Dunaway, M.D.
Dr. Dunaway is a graduate of the University of Alabama with a degree in biology. He received his Doctor of Medicine from the University of South Alabama College of Medicine.

Justin Cardell Grimes, M.D.
Dr. Grimes is a graduate of Middle Tennessee State University with a degree in biology. He received his Doctor of Medicine from East Tennessee State Quillen College of Medicine.
PGY-3

Austin James Bettridge, D.O.
Dr. Bettridge is a graduate of Utah Valley University with a degree in Chemistry. He received his Doctor of Osteopathic Medicine from the Alabama College of Osteopathic Medicine.

Andrew Jearald Heflin, M.D.
Dr. Heflin is a graduate of Texas A & M University with a degree in Biomedical Sciences. He received his Doctor of Medicine from the University of Texas Medical Branch John Sealy School of Medicine.

Daniel Lee Warren, M.D.
Dr. Warren is a graduate of Troy University with a degree in Economics. He received his Doctor of Medicine from the University of South Alabama College of Medicine.
PGY-2

Ethan James Boyd, M.D.
Dr. Boyd is a graduate of the University of South Alabama with a degree in Biomedical Sciences. He received his Doctor of Medicine from the University of South Alabama College of Medicine.

David Zeke Forrister, M.D.
Dr. Forrister is a graduate of Abilene Christian University with a degree in Biochemistry. He received his Doctor of Medicine from the University of Texas Medical Branch John Sealy School of Medicine.

Sharon Wanjiru Maina, M.D.
Dr. Maina is a graduate of the University of Georgia with a degree in Biology and Spanish. She received her Doctor of Medicine from the Medical College of Georgia at Augusta University.
2025 Intern Class

Nicholas Oscar Gerard, M.D.
Dr. Gerard is a graduate of the University of Tennessee Knoxville with a degree in neuroscience as well as a graduate of the University of Tennessee Health Science Center with a degree in pharmacology. He received his Doctor of Medicine from Tulane University School of Medicine.

Grant Wayne Lambert, M.D.
Dr. Lambert is a graduate of Louisiana State University and Agricultural and Mechanical College with a degree in biochemistry. He received his Doctor of Medicine from Louisiana State University School of Medicine.

Matthew Coleman Watterson, M.D.
Dr. Watterson is a graduate of Auburn University with a degree in biomedical science. Dr. Watterson received his Doctor of Medicine from the Frederick P. Whiddon College of Medicine at the University of South Alabama.