Complex sentence: While a student at UCLA he also worked as a correspondent and host on movie-centric cable network channel ReelzChannel but in July, 2008 Barnett announced on ReelzChannel that he was leaving the network to join CNN International.
Split into simpler sentences: While a student at UCLA he worked as a correspondent and host on movie-centric cable network channel ReelzChannel. In July, 2008 Barnett announced on ReelzChannel that he was leaving the network to join CNN International.