Complex sentence: The company was founded in 1999 by Johnson, a choreographer Johnson has choreographed dance works to various composers including Beethoven, the alternative rock band Cake, Philip Glass, Argentine composer Osvaldo Golijov, Polish composer Henryk Górecki, and others.
Split into simpler sentences: The company was founded in 1999 by Johnson, a choreographer. She has choreographed dance works to various composers including Beethoven, the alternative rock band Cake, Philip Glass, Argentine composer Osvaldo Golijov, Polish composer Henryk Górecki, and others.