Complex sentence: Past columnists included Sophie Parkin, Ben Myers, Hillary Raphael and Cathi Unsworth, while past editors have included Noah Cicero, Heidi James, Travis Jeppesen, Chris Killen, Tao Lin (as Poetry Editor), Lee Rourke, Adelle Stripe and HP Tinker.
Split into simpler sentences: Past columnists included Sophie Parkin, Ben Myers, Hillary Raphael and Cathi Unsworth. Past editors have included Noah Cicero, Heidi James, Travis Jeppesen, Chris Killen, Tao Lin (as Poetry Editor), Lee Rourke, Adelle Stripe and HP Tinker.