- Television:
- Hosted "The Oprah Winfrey Show," the highest-rated talk show in American television history, for 25 seasons (1986–2011).
- Established Harpo Productions, her own production company, in 1986, becoming one of the first African American women to own a major production company.
- Produced multiple successful television shows, including "Dr. Phil," "Rachael Ray," and "The Ellen DeGeneres Show."
- Film and media production:
- Founded OWN: The Oprah Winfrey Network, a cable TV channel, in 2011.
- Produced several acclaimed documentaries and feature films, including "The Butler" (2013), "Selma" (2014), and "A Wrinkle in Time" (2018).
- Philanthropy:
- Established the Oprah Winfrey Foundation, a philanthropic organization focused on education, children, and women's empowerment, in 1987.
- Donated millions of dollars to various charitable causes and organizations, including education initiatives, disaster relief, and healthcare.
- Founded the Oprah Winfrey Leadership Academy for Girls in South Africa in 2007.
- Media and publishing:
- Founded O, The Oprah Magazine, a monthly women's magazine, in 2000.
- Published several best-selling books, including "What I Know for Sure" (2014) and "The Life You Want" (2017).
- Business and entrepreneurship:
- Built a multi-billion dollar business empire spanning television, film, publishing, and digital media.
- Named the world's richest African American and North America's first black female billionaire by Forbes magazine in 2003 and 2014, respectively.
- Awards and recognition:
- Received numerous awards and honors, including the Presidential Medal of Freedom, the nation's highest civilian honor, in 2013.
- Honored as the "Most Influential Woman in the World" by Forbes magazine in 2013.
- Inducted into the National Women's Hall of Fame in 1994.