The term HARPO PRODUCTIONS FOUNDER is answered by the 5-letter word OPRAH. OPRAH Winfrey is an American media executive, actress, talk show host, television producer, and philanthropist. She is best known for her talk show The OPRAH Winfrey Show, which was the highest-rated television program of its kind in history and was nationally syndicated from 1986 to 2011. Winfrey is the founder of Harpo Productions, a multimedia production company that has produced numerous films, books, and television programs.