From Los Angeles, CA • Born in Oct 16, 1949 (77 years old)
David Greenwalt (born October 16, 1949) is an American screenwriter, director, and producer. He was the co-executive producer of the TV series Buffy the Vampire Slayer and co-creator of its spinoff, Angel. He is also co-creator of the Fox series Profit and the NBC supernatural drama Grimm. (Via Wikipedia)
