Brian Seymore was born in Dallas County and spent time in Montgomery.

Coach Seymore landed his first head coaching job at Pike Liberal Arts in the AISA where his two teams finished 15-7 with two playoff appearances.

Seymore spent the 2007 season as the defensive coordinator of the Demopolis Tigers before leaving to return to Andalusia as the head coach. He spent seven seasons with the Andalusia program, going 46-29 during that stretch. He spent the 2015-2016 seasons leading the Mary Montgomery football program where he was 8-12 in two years.

In 2017 he landed in Demopolis to lead the Tigers football program over the next six seasons with a record of 56-18 with each of his teams making the playoffs and five winning a region title.

Following the 2022 football season he accepted the head coaching position at Greenville before changing his mind and moving to Montgomery to take over from Granger Shook at Trinity.