William Sanford Nye (born November 27, 1955), often known as Bill Nye the Science Guy, is an American engineer, scientist and educator. He is most known for hosting the TV show "Bill Nye the Science Guy". Nye is also the CEO of The Planetary Society. Nye was born in Washington, D.C. and went to school at Cornell University. Early in his life, Nye worked as an engineer for Boeing in Seattle. He also was a member of the Seattle comedy troupe "Almost Live!". He hosted "Bill Nye the Science Guy" from 1993 to 1997. Since then, he has hosted several TV shows and specials concerned with science and the environment. He also designed the sundial on the Mars Rover. Nye currently lives in the San Fernando Valley.