What contributions did Oprah Winfrey make? Oprah Gail Winfrey is a talk show host,media executive, actress and billionaire philanthropist. She’s bestknown for being the host of her own, wildly popular program, TheOprah Winfrey Show, which aired for 25 seasons, from 1986 to2011. In 2011, Winfrey launched her own TV network, theOprah Winfrey Network (OWN). .… Continue reading What contributions did Oprah Winfrey make?