Justin Weaver, born on October 25, 1977, in Forsyth, Georgia, is an accomplished American songwriter and producer. He began his musical journey playing in bands during high school and toured the southeastern United States with Jason Aldean as a teenager. Weaver paused his touring career to pursue higher education, earning an AS in Business from Gordon College and a BA in Business Administration, graduating Cum Laude from Georgia College & State University.

After completing his studies, Weaver relocated to Nashville, where he signed a publishing deal and embarked on a successful songwriting career. He has written songs for a variety of artists, including Brantley Gilbert, Dustin Lynch, Jason Aldean, Joe Nichols, Gary Allan, Meghan Trainor, Meatloaf, Chris Cagle, Kristy Lee Cook, Josh Turner, and the Eli Young Band, among others. Some of his notable songwriting credits include "Get Off On The Pain" by Gary Allan, "Like I’m Gonna Lose You" by Meghan Trainor and John Legend, and "Bottoms Up" by Brantley Gilbert.

Weaver's work has achieved significant acclaim, with several of his songs reaching the top of the charts. He celebrated a number one hit with "After A Few," performed by Travis Denning. His contributions to the music industry have established him as a respected figure in the Nashville songwriting community.