Actor Esai Morales (NYPD Blue) has been tapped to recur as the new head of the BAU on the upcoming season of Criminal Minds.
Morales will play the role of "Matt Cruz", a longtime FBI agent who gets promoted to work with the BAU and has a previous professional relationship with JJ (A.J. Cook) that will be revealed as the season progresses. He will appear on the third episode of season nine.
According to showrunner Erica Messer, Hotch (Thomas Gibson) would be acting section chief for the summer in the wake of the death of their former boss Strauss (Jayne Atkinson) in the Season 8 finale.
Source: TV Guide