Diana Valentine is an American director, writer, and producer.
Little is known about Valentine's early life. In 1979, she had her sole acting role in Charlie's Angels, starring in an uncredited role as a cheerleader. In 1988, Valentine found work as a script supervisor and has since supervised the episode scripts for a number of TV shows, including Fired Up, Jenny, Beverly Hills, 90210, Charmed, Gilmore Girls, It's Always Sunny in Philadelphia, Nip/Tuck, and NCIS: Los Angeles. More recently, she began work in the fields of directing, producing, and writing.
Valentine has directed the following episodes for Criminal Minds: