Dr. Gregory is a native of West Tennessee. She grew up in Martin where she attended Westview High School. She began her college career at the University of Tennessee Martin. In 1982, she continued her studies at Southern College of Optometry in Memphis. She earned her Bachelor of Science degree in Biology, minoring in Physics. She received her doctorate in 1986. After graduation, she spent her first three years in practice as a First Lieutenant and then as a Captain in the United States Air Force. She was stationed at Castle AFB, CA.
Dr. Gregory is married and has three children. She enjoys singing and performed the National Anthem at a Nashville Sounds game in 2012. She sings in the praise band at her church and serves in the children's ministry.