Oprah Winfrey is a renowned American media executive, talk show host, and philanthropist, best known for her influential talk show, The Oprah Winfrey Show, which ran for 25 years. She has become a cultural icon, inspiring millions with her message of empowerment and self-improvement. Beyond her television career, Oprah is also a successful producer and author, with her own production company, Harpo Productions. Her philanthropic efforts include the Oprah Winfrey Foundation, which supports education and empowerment initiatives for women and children around the world.