Brown coordinated the top-ranked defense in the country this season at Boston College.
Boston College defensive coordinator Don Brown has been officially hired to the same position at Michigan, the program announced today.
"We are very pleased and happy to announce that our top candidate and number one choice, Don Brown has accepted our offer to become defensive coordinator," said Jim Harbaugh in a statement. "After a very thorough search and talking with those I respect the most in this game, including Jack Harbaugh, John Harbaugh, Bill Belichick, Bob Sutton, Vic Fangio and others, it led me to Don Brown.