Rollins School of Public Health | Faculty Profile
Emory Rollins School of Public Health
Return to Student Listing

Joshua  Preston

Joshua (Josh) is a dual degree student pursuing his MD at Emory University School of Medicine and his PhD in Nutrition and Health Sciences in Emory's Laney Graduate School. He recieved his BS in Biology from the University of Kentucky in 2018. He completed his first three years of medical school from 2019-2022, and will begin his PhD in January 2023. Josh will pursue his graduate studies in Dr. Dean Jones' Clinical Biomarkers Lab in conjunction with Dr. Rafael de Cabo's lab at the National Institute on Aging via the NIH Graduate Partnership Program. Josh's research interests include aging, metabolomics, exposomics, adipose tissue biology, metabolism, women's health, biomarker discovery, and nutritional interventions to improve healthspan and lifespan. His clinical interests include endocrinology, diabetes, obesity, geriatrics, clinical nutrition, surgical nutrition, critical care, surgery, and trauma. Josh has the longterm career goal of being an academic physician-scientist, and aspires to practice medicine or surgery while also maintaining an active, basic-science research operation.

View Resume

Areas of Interest

  • Aging
  • Biomarkers
  • Cardiometabolic Diseases
  • Chemical Exposure
  • Chronic Diseases
  • Diabetes
  • Endocrine Disruptors
  • Epigenetics
  • Exposome
  • Maternal and Child Health
  • Non-communicable Diseases
  • Nutrition
  • Obesity Prevention
  • Rural Health
  • Toxicology
  • Women’s Health


  • BS 2018, University of Kentucky
  • MD (in progress) 2025, Emory University SOM
  • PhD (in progress) 2025, Emory LGS

Affiliations & Activities

Medical Scientist Training Program, EUSOM

MD Program, EUSOM

National Intitute on Aging, National Institutes of Health Graduate Parternership Program (GPP)

Christian Medical and Dental Association

American College of Physicians