Bill Siddons, Jeremy Rosen Launch Roxwell Management
The management firm's initial roster includes Ozomatli, Justin Hayward of the Moody Blues and Ace of Base.
Siddons is perhaps best known for managing The Doors from their early days to the group's period of super stardom. He has also worked with artists such as Crosby Stills Nash and Robert Palmer and Alice in Chains.
Rosen has managed music clients such as Bobby Womack, Ronnie Wood. Frank Ocean and Pop Levi.
"I have developed a very strong relationship with Jeremy and appreciate his young, aggressive and fearless approach. He gets things done," Siddons said about his colleague.