David Reagan is a native of Johnson City, Tennessee who completed undergraduate studies at ETSU and
graduate studies at Vanderbilt University, receiving aPhD in Chemistry and an MD. He completed residency in Internal Medicine at Vanderbilt and fellowship in Infectious Diseases at the University of Iowa. He served on the faculty at ETSU Quillen College of Medicine and subsequently as Chief ofSta ff at the Mountain Home VAMC. He served as Chief Medical Officer for the Tennessee Department of Health from January 2012 through July 2019.

He has worked with CareSpark, a regional health information organization, and with ONE Tennessee, a statewide organization dedicated to collaboratively working to end the opioid epidemic. He is currently serving as Pandemic Consultant for Ballad Health, who operates 21 hospitals in northeast Tennessee
and southwest Virginia.