Oprah Winfrey, American media mogul, talk show host, actress and philanthropist Published 17th June 2018 at 800 × 450 in Apple Announces Multi-Year Partnership With Oprah Winfrey Oprah Winfrey, American media mogul, talk show host, actress and philanthropist, at the Kennedy Center to celebrate the opening of the National Museum of African American History and Culture, in Washington D.C., on September 23, 2016.