Guilbeau has been on the LSU beat since 1998 with multiple outlets in Louisiana, prior to that he had covered both Auburn and Alabama.

He won first place for his game feature on LSU's upset at Florida last season from the Football Writers Association of America (FWAA). He was also named Beat Writer of Year, by Louisiana Sports Writers Association in July; placed in three Associated Press Sports Editors (APSE) categories – Beat Writer, Explanatory, Game Coverage – last spring. Guilbeau was also the FWAA first-place winner for columns in 2017 and was also the top overall winner in 2016 FWAA placing first for his game story, second in columns, and receiving honorable mention for features.