The Green Bay Packers announced the hire of Sean Duggan (DUG-an) as a defensive assistant on March 12, 2024.

Duggan comes to Green Bay after spending the last four years at his alma mater, Boston College, first as linebackers coach (2020-22) before adding co-defensive coordinator to his duties in 2023. He coached Vinny DePalma, who earned All-ACC honorable mention in 2022 and third-team All-ACC honors in 2023. He was the fourth linebacker under Duggan's tutelage to earn All-ACC recognition. Current Packers LB Isaiah McDuffie played under Duggan in 2020, ranking No. 5 in the country in tackles (107) to earn second-team All-ACC honors. Prior to his time coaching at Boston College, Duggan was a defensive graduate assistant at Ohio State (2019), and coached linebackers at UMass (2018) and at the University of Hawaii (2016-17). He began his coaching career as a defensive graduate assistant at Boston College. As a player at BC, Duggan appeared in 45 career games and was a captain in 2014.

The Green Bay Packers announced the hire of Sean Duggan (DUG-an) as a defensive assistant on March 12, 2024.

Duggan comes to Green Bay after spending the last four years at his alma mater, Boston College, first as linebackers coach (2020-22) before adding co-defensive coordinator to his duties in 2023. He coached Vinny DePalma, who earned All-ACC honorable mention in 2022 and third-team All-ACC honors in 2023. He was the fourth linebacker under Duggan's tutelage to earn All-ACC recognition. Current Packers LB Isaiah McDuffie played under Duggan in 2020, ranking No. 5 in the country in tackles (107) to earn second-team All-ACC honors. Prior to his time coaching at Boston College, Duggan was a defensive graduate assistant at Ohio State (2019), and coached linebackers at UMass (2018) and at the University of Hawaii (2016-17). He began his coaching career as a defensive graduate assistant at Boston College. As a player at BC, Duggan appeared in 45 career games and was a captain in 2014.