Complex sentence: He was a regular at the "Q Theatre" in Penrith, New South Wales and was also the ambassador for "The Q", which was demolished in August 2005 and moved to the Joan Sutherland Performing Arts Centre.
Split into simpler sentences: He was a regular at the "Q Theatre" in Penrith, New South Wales. Porteous was also the ambassador for the "Q Theatre", which was demolished in August 2005 and moved to the Joan Sutherland Performing Arts Centre.