Michael Hauge is a Hollywood script consultant and screenwriter who coaches writers, filmmakers and studio executives. His best selling book Writing Screenplays That Sell has become an industry standard. His website is www.screenplaymastery.com.
Christopher Vogler is a motion picture producer, a story consultant to major movie companies and the author of the hugely successful book The Writer's Journey: Mythic Structure for Writers. His website is www.thewritersjourney.com.