Complex sentence: The company was founded in 1997 by Toby Park, Petra Massey, both British, and Aitor Basauri, a Spaniard, joined the following year by the German performer, Stephan Kriess.
Split into simpler sentences: The company was founded in 1997 by Toby Park, Petra Massey, both British, and Aitor Basauri, a Spaniard. They were joined the following year by the German performer, Stephan Kriess.