Brian Callahan compiled a career record of 3–14 as an NFL coach. Brian Callahan learned the game under Adam Gase, Brian Daboll, Greg Olson. The Brian Callahan coaching tree includes Aaron Whitecotton, Ahmed Saleh, Alex Van Pelt, Ben Bloom, Bill Callahan, and 35 more.
Mentors: Adam Gase, Brian Daboll, Greg Olson, Jim Bob Cooter, John Harbaugh, Rick Dennison
Coaching tree: Aaron Whitecotton, Ahmed Saleh, Alex Van Pelt, Ben Bloom, Bill Callahan, Brad Kragthorpe, Brent Callaway, Brian Bell, Brian Daboll, Cade Knox, Carmen Bricillo, Colt Anderson, Dalton Hilliard, Dan Pitcher, Dave Borgonzi, Dave Puloka, Fredi Knighten, Greg Lewis, Greg Roman, Gus Bradley, Isaac Williams, James Casey, Jemal Singleton, John Fassel, John Rudnicki, John Shaw, Justin Hill, Luke Stocker, Marquand Manuel, Randy Jordan, Rayna Stewart, Rob Dadona, Robert Saleh, Shea Tierney, Tanzel Smart, Tony Oden, Trevor Browder, Troy Brown, Troy Walters, Zac Woodfin