Medical Director of Ascension St Thomas Dekalb, Highlands and Stones River Hospitals
- Medical School: University of South Alabama College of Medicine
- Residency: University of Alabama at Birmingham Medical Center
- Fellowship: Cytopathology and Surgical Pathology, University of Alabama at Birmingham Medical Center
- Board Certification: Anatomic and Clinical Pathology (2014), Cytopathology (2015)
- Clinical Focus: Cytology and General Surgical Pathology
- Primary Hospital Location: St. Thomas Rutherford Hospital
- Dr. Alston is an Alabama native who relocated to Middle Tennessee in 2020. He enjoys reading, mountain biking, watching Vanderbilt baseball, and spending time with his wife and daughter.