Oprah
In 1988, Harpo Productions, Inc. acquired ownership and all production responsibilities for The Oprah Winfrey Show from Capitol Cities/ABC, making Oprah Winfrey the first woman in history to own and produce her own talk show.
She is co-founder of the successful cable station Oxygen and later OWN, the Oprah Winfrey Network.
In the 2008 presidential election, Winfrey publicly endorsed a political candidate for the first time, hosting a fundraiser for Senator Barack Obama and appearing with him at campaign events.