I have been a professional game developer since 1992. I have functioned in lead positions; designer, producer, and art director on 9 published game titles and many unpublished titles. I have publis...view moreI have been a professional game developer since 1992. I have functioned in lead positions; designer, producer, and art director on 9 published game titles and many unpublished titles. I have published 9 books on game development and many of them are in second and third editions.view less