Sesame Workshop is an American non-profit organization that produces educational children's programs, including its best-known series Sesame Street. The organization was founded in 1968 as the Children's Television Workshop (CTW) by Joan Ganz Cooney and Lloyd Morrisett. Sesame Workshop is headquartered in New York City and has offices in Washington, D.C., Los Angeles, and around the world. The organization's mission is to help children grow smarter, stronger, and kinder. Sesame Workshop has won numerous awards for its programming, including 189 Emmy Awards and 11 Grammy Awards.