Sam Siefkes

Sam Siefkes (born August 26, 1991) is an American football coach who is the linebackers coach for the Green Bay Packers of the National Football League (NFL). He previously served as a defensive coordinator at Virginia Tech, a linebackers coach in the NFL for the Arizona Cardinals and Minnesota Vikings and as the defensive coordinator for Wisconsin–Platteville and Wofford.

Early life Siefkes attended Oconomowoc High School, where he played lacrosse.

College career Siefkes played college football at Wisconsin–La Crosse in 2011, but injuries ended his playing career.

Coaching career Wisconsin–La Crosse Siefkes got his first career coaching job in 2012 at his alma mater Wisconsin–La Crosse as a student assistant.

Air Force In 2013, Siefkes served as a Strength and conditioning intern at Air Force.

Florida International In 2014, Siefke served as a volunteer defensive quality control coach under Josh Conklin.

Wisconsin In 2015, Siefkes served as a graduate assistant under defensive coordinator Dave Aranda.

Wisconsin–Platteville Siefkes was the defensive coordinator for Wisconsin–Platteville in 2016 and 2017. In 2016, the Pioneers made their second playoff appearance in the past four years. In 2017, the Pioneers defense gave up only 18.9 points per game In Fall 2020, Siefkes prepared the Terrier defensive for their Spring 2021 season, but was hired by the Vikings before the spring season started.

Minnesota Vikings On February 9, 2021, the Minnesota Vikings hired Siefkes as a defensive quality control coach. In 2022, he became the assistant linebackers coach.

Arizona Cardinals On February 23, 2023, the Arizona Cardinals hired Siefkes as linebackers coach.

Virginia Tech On January 27, 2025 Virginia Tech announced that they hired Siefkes as defensive coordinator, who replaced Chris Marve. Under Marve, the Hokies finished No. 57 nationally in total defense in 2024.

Personal life Siefkes is married with one daughter. He earned a bachelor's degree in exercise and sports science from at Wisconsin–La Crosse and a master's degree in educational leadership and policy analysis (intercollegiate athletic administration) from the University of Wisconsin-Madison.