Complex sentence: After working in Europe predominantly in the music industry, Dobbins returned to America to embark on a career as a radio producer, primarily at WNBC and WABC in New York, before eventually moving to California where he became involved with the original Gold's Gym.
Split into simpler sentences: After working in Europe, predominantly in the music industry, Dobbins returned to America to work as a radio producer, primarily at WNBC and WABC in New York. He eventually moved to California where he became involved with the original Gold's Gym.