John Harbaugh started coaching the Baltimore Ravens in 2008. He was hired more than 15 years ago, on January 19, 2008.
Harbaugh is just the third all-time coach of the Baltimore Ravens organization, which has only existed since Art Modell moved his team from Cleveland to Baltimore in the mid-1990s. Ted Marchibroda (1996-98) and Brian Billick (1999-2007) preceded him.'
John Harbaugh's brother, Jim Harbaugh, is the current head football coach at the University of Michigan.'
Prior to accepting the job in Ann Arbor in 2015, Jim was the head coach of the San Francisco 49ers. the two brothers famously coached against each other in Super Bowl XLVII. John's Ravens won, 34-31.