Complex sentence: She later became co-producer, with Ricahrd Bramall, under new executive producer, Michael Ferguson in 1990 and after Ferguson's departure, she became co-producer with Pat Sandys, formerly of ITV's "The Bill".
Split into simpler sentences: She later became co-producer, with Ricahrd Bramall, under new executive producer, Michael Ferguson in 1990. After Ferguson's departure, she became co-producer with Pat Sandys, formerly of ITV's "The Bill".