Complex sentence: She remained head of TVOntario until September 29,2005, when the Liberal government of Dalton McGuinty removed her from her responsibilities, and appointed film producer Peter O'Brian as chair and former Astral Media executive Lisa de Wilde as CEO.
Split into simpler sentences: She remained head of TVOntario until September 29,2005, when the Liberal government of Dalton McGuinty separated the two positions. Bassett's successors were film producer Peter O'Brian as chair, and former Astral Media executive Lisa de Wilde as CEO.