Complex sentence: Steven Whitmire (born September 24th, 1959) is an American puppeteer who works for The Jim Henson Company, Sesame Workshop and Disney's The Muppets Studio.
Split into simpler sentences: Steven Whitmire (born 24 September 1959) is an American puppeteer. He works for The Jim Henson Company, Sesame Workshop and Disney's The Muppets Studio.