Coach Firth is from Allen, Texas where he played football and baseball for Allen High School. He is a graduate from Middle Tennessee State University, graduating Summa Cum Laude with a degree in history. Coach Firth is on staff at Hendrick Middle School, where he serves as the Campus Athletic Coordinator and is the head football coach for 7th and 8th grade.  He and his wife Adrienne live in Melissa and have two sons, Will (11) and Mackenzie (4).