Most people are blown away by the fact that Beck is Jewish... and Billy Joel. I didn't know he was Jewish.

His other clients include Alex Rodriguez. He also wrote a book on Jewish influences in the music industry in Jews Who Rock. As part of Maverick Films Oseary executive produced Twilight The Twilight Saga: New Moon and Rob Zombie’s first two ventures into feature filmmaking (House of 1000 Corpses and The Devil's Rejects).

He is Madonna's manager.