[2] Mann graduated from Morehouse College and later earned an MFA in film at the Tisch School of the Arts at New York University.
[3] The short starred Jamie Hector, Anslem Richardson, Marcuis Harris, Harvey Gardner Moore, Curtiss Cook, and Ka'ramuu Kush.
"[9] Mann also was an ABC DGA Fellow class of 2005, a fellowship aimed at encouraging "diversity of race, gender and spirit in the filmmaking community.
"[13] In 2007 Mann was nominated for an NAACP Image Award in the category Outstanding Directing in a Dramatic Series for his work on episode "Home Rooms".
[1] After The Wire, Mann worked on Grey's Anatomy directing two episodes in 2006, "The Name of the Game" and "Don't Stand So Close to Me".
In 2007, Mann was nominated for a DGA Award in the category Outstanding Directorial Achievement in Comedy Series for his work on "The Name of the Game".
[1][15][16] Mann has also directed episodes of Heroes, Cold Case, Lincoln Heights, Jericho, Entourage, Friday Night Lights, Men in Trees, Shark, Fringe, Blindspotting, and The Walking Dead.