Bill Callahan brings 46 years of coaching experience, including 25 years in the NFL and six as a head coach (two at Oakland and four at the University of Nebraska). During his time in the NFL, he has spent 22 seasons coaching the offensive line and seven years as offensive coordinator. He has guided 14 offensive linemen to a total of 35 Pro Bowl selections.

Callahan joins the Titans after four seasons (2020-23) as the Offensive Line coach for the Cleveland Browns. During his time with the Browns, they qualified for the playoffs twice and in 2022, the team recorded the third-highest rushing total (2,490) in franchise history. In 2021, the Browns led the NFL in rushing average with a 5.09 mark, which was the highest by a Browns team since 1966.

Callahan spent five seasons (2015-19) with Washington as Offensive Line coach and added Assistant Head Coach for his final three seasons. The 2016 offense set single-season team records for yards per game (403.4), yards per play (6.40), net passing yards (4,758) and passing first downs (226). He spent three seasons (2012-14) with Dallas as Offensive Coordinator/Offensive Line coach and oversaw DeMarco Murray's 1,845 rushing yards season in 2014, which led the NFL and set a franchise rushing mark. Callahan logged four years (2008-11) as Assistant Head Coach/Offensive Line coach for the New York Jets.

Callahan was the Head Coach for the University of Nebraska for four seasons (2004-07) and led the Cornhuskers to the Big 12 Conference Championship game in 2006.

He spent six seasons (1998-03) with the Oakland Raiders, including his final two seasons as Head Coach. The 2002 Raiders offense was led by NFL MVP Rich Gannon and set a franchise record for total offense with an NFL-best 6,237 yards. They led the NFL in passing yards (4,689) on their way to an AFC Championship and Super Bowl appearance. His first NFL coaching experience came as the Offensive Line coach for the Philadelphia Eagles for three years (1995-97).

Callahan also has 15 years of college coaching experience and two years in the high school ranks.

Bill Callahan brings 46 years of coaching experience, including 25 years in the NFL and six as a head coach (two at Oakland and four at the University of Nebraska). During his time in the NFL, he has spent 22 seasons coaching the offensive line and seven years as offensive coordinator. He has guided 14 offensive linemen to a total of 35 Pro Bowl selections.

Callahan joins the Titans after four seasons (2020-23) as the Offensive Line coach for the Cleveland Browns. During his time with the Browns, they qualified for the playoffs twice and in 2022, the team recorded the third-highest rushing total (2,490) in franchise history. In 2021, the Browns led the NFL in rushing average with a 5.09 mark, which was the highest by a Browns team since 1966.

Callahan spent five seasons (2015-19) with Washington as Offensive Line coach and added Assistant Head Coach for his final three seasons. The 2016 offense set single-season team records for yards per game (403.4), yards per play (6.40), net passing yards (4,758) and passing first downs (226). He spent three seasons (2012-14) with Dallas as Offensive Coordinator/Offensive Line coach and oversaw DeMarco Murray's 1,845 rushing yards season in 2014, which led the NFL and set a franchise rushing mark. Callahan logged four years (2008-11) as Assistant Head Coach/Offensive Line coach for the New York Jets.

Callahan was the Head Coach for the University of Nebraska for four seasons (2004-07) and led the Cornhuskers to the Big 12 Conference Championship game in 2006.

He spent six seasons (1998-03) with the Oakland Raiders, including his final two seasons as Head Coach. The 2002 Raiders offense was led by NFL MVP Rich Gannon and set a franchise record for total offense with an NFL-best 6,237 yards. They led the NFL in passing yards (4,689) on their way to an AFC Championship and Super Bowl appearance. His first NFL coaching experience came as the Offensive Line coach for the Philadelphia Eagles for three years (1995-97).

Callahan also has 15 years of college coaching experience and two years in the high school ranks.