Before running for office, Duignan was an executive assistant to federal New Democratic Party MPs Derek Blackburn and Lyle Kristiansen.
Blackburn Rovers F.C. | Derek Walcott | Blackburn | Derek Jarman | Derek Jacobi | Tony Blackburn | Derek Bailey (guitarist) | Derek Bailey | Bo Derek | Derek Trucks | Derek Jeter | Derek Holland | Paul Blackburn | Life with Derek | Derek Lee Ragin | Derek Bickerton | Derek Abbott | Simon Blackburn | Derek O'Brien | Robert Blackburn (artist) | Robert Blackburn | Olly Blackburn | Derek Wyatt | Derek St. Holmes | Derek O'Brien (drummer) | Derek Mahon | Derek Lawrence | Derek Johnstone | Derek Humble | Derek Fowlds |