Complex sentence: He was the managing director and founder of Quay West Radio in Somerset, before moving to Pembrokeshire in 1999 to formed 107 "Haven FM", a month-long trial radio station which began in July 1999.
Split into simpler sentences: He was the managing director and founder of Quay West Radio in Somerset before moving to Pembrokeshire in 1999. He formed 107 "Haven FM", a month-long trial radio station which began in July 1999.