Complex sentence: He is employed as a performing artist and vocal coach, mentoring and grooming talent, at the Rock Nation school of Performing Arts in the Los Angeles, California area; he is the Music Coordinator for two of the school's locations.
Split into simpler sentences: He is employed as a performing artist, and vocal coach, mentoring and grooming talent, at a Performing Arts school in the Los Angeles, California area. His is the Music Coordinator for two of the school's locations.