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Boese, 38, has served as the strength and conditioning coach at the University of Illinois the past three season. He served in the same role from 2012-15 at Fresno State. He was an assistant strength and conditioning coach at Texas A&M. Boese played collegiately at Wisconsin and from 2003-06 in the Canadian Football League with the Calgary Stampeders.
Rosfeld, 39, comes to the Bengals after one season as the head coach at Moeller High School. Rosfeld was the director of player development at the University of Cincinnati from 2015-17. Prior to his time at UC, he was an assistant coach at Moeller.
Rosfeld played at UC from 1997-2000, starting 34 games. He was a first-team, all-Conference USA pick as a junior and senior.