Complex sentence: Laureen has had a very vibrant public life since her arrival at 24 Sussex Drive she has supported worthwhile causes such as the OHS and also the National Arts Centre where she has been Honorary Gala Chair since 2005.
Split into simpler sentences: Laureen has had a very vibrant public life since her arrival at 24 Sussex Drive. She has supported worthwhile causes such as the OHS and also the National Arts Centre where she has been Honorary Gala Chair since 2005.