The Green Bay Packers announced the hire of Sean Mannion as an offensive assistant on March 12, 2024.

Mannion played quarterback in the NFL (2015-23) after originally being selected in the third round (No. 89 overall) of the 2015 NFL Draft by the St. Louis Rams. After four seasons with the Rams (2015-18), he played for the Minnesota Vikings (2019-23) and Seattle Seahawks (2023). Overall, he saw action in 14 games with three starts in his pro career. In college, Mannion made 43 starts at Oregon State, completing 1,187 of 1,838 passes (64.6 pct.) for 13,600 yards and 83 touchdowns. The two-time honorable mention All-Pac-12 selection (2013-14) set school records for career passing TDs and completion percentage while ranking No. 2 in conference history in passing yards. In 2013, Mannion was tied for No. 4 in the nation in passing TDs (37) and ranked No. 2 in the country with 4,662 yards, a Pac-12 record.