4. Oprah Winfrey – $2.8 Billion (Approximately €2.6 Billion)
A trailblazer in the world of daytime talk shows, Oprah Winfrey made history in 2003 as the first black female billionaire. In the years since, she has transformed her brand into a media and business empire, encompassing investments in real estate and her own production company. With her unparalleled influence and indomitable spirit, Oprah continues to inspire millions around the globe.