Michael Robert Gale (born May 25, 1951) is an American screenwriter, comic book writer, film producer and director. He is best known for co-writing the science fiction comedy film Back to the Future with his writing partner Robert Zemeckis. Gale co-produced all three films of the franchise and later served as associate producer of the animated TV series. Actor Michael J. Fox has referred to Gale as the "gatekeeper of the [Back to the Future] franchise".
Source : Wikipedia
