Complex sentence: Matthew Todd Lauer (born December 30,1957) is an American television journalist who was host of "The Today Show" from 1997 to 2017 and a contributor for "Dateline NBC".
Split into simpler sentences: Matthew Todd Lauer (born December 30,1957) is an American television journalist. He was host of "The Today Show" from 1997 to 2017 and a contributor for "Dateline NBC".