Justin began playing music at the age of six and soon started traveling with his family's gospel group after learning his first chords on the mandolin. He helped form the East Tennessee band Blue Moon Rising after high school and recorded two albums with them in the early 2000s. He's spent time on the road with bands NewFound Road, Band of Ruhks, The Dan Tyminski Band and Ricky Skaggs & Kentucky Thunder. While playing with Skaggs, he appeared on several TV shows including The Marty Stuart Show, and on Conan in October of 2013 with Skaggs and Bruce Hornsby. Justin appeared on the Today Show while filling in with Clint Black in 2015. He has been collaborating with acclaimed mandolin player and singer Sierra Hull the past few years joining her on band dates and for duo shows.