Complex sentence: He was executive producer of Eurovision Song Contest 1997 for RTÉ Television and completed two terms as Editor of Current Affairs in the News Division, where he established the "Prime Time Investigates" programme strand.
Split into simpler sentences: He was executive producer of Eurovision Song Contest 1997 for RTÉ Television and completed two terms as Editor of Current Affairs in the News Division. He established the "Prime Time Investigates" programme strand.