“The greatest discovery of all time is that a person can change his future by merely changing his attitude.”

American media mogul, actress, executive producer, author, and television personality

Oprah Winfrey is an American media mogul, television personality, actress, executive producer, and author. She is best known for The Oprah Winfrey Show, the talk show broadcast from Chicago that ran in national syndication for 25 years, from 1986 to 2011. Her career spans television and publishing, and she has been widely recognized for her influence and business success. The summary describes her as the richest Black woman and the wealthiest female celebrity, and notes that she was often ranked among the world’s most influential women.