Complex sentence: Doyle, who continues to write, is known as an ardent advocate for the rights of working class people, being very active and vocal in the Your Rights At Work campaign in the Federal Seat of Macquarie in the lead up to the 2007 election.
Split into simpler sentences: Doyle, who continues to write, is known as an ardent advocate for the rights of working class people. He has been very active and vocal in the Your Rights At Work campaign in the Federal Seat of Macquarie in the lead up to the 2007 election.