Uhley, who made his first professional sale while still in his junior year at UCLA’s School of Theater, Film and Television, has enjoyed a nearly-30-year writing career in animation. Jymn Magon hired Len on the advice of voice actor Michael Rye back in 1985. As a staff writer at Disney, he wrote episodes of DuckTales, Adventures of the Gummi Bears, TaleSpin, Winnie the Pooh, Chip ‘n’ Dale Rescue Rangers, Darkwing Duck, and Bonkers. Uhley also has been a Story Editor on series produced by Warner Bros., Disney and MGM, writing more than 200 television episodes and home videos for DreamWorks Classics, Cartoon Network Studios, Hasbro, Warner Bros., Disney, Marvel, NickToons, Sony, DIC, BKN International, BBC, Endemol, CBN, Film Roman, MGM, Saban, Viacom, and Renaissance Pictures. His freelance work includes Ben 10: Alien Force, Ben 10: Ultimate Alien, and Ben 10: Omniverse series; Static Shock; Superbook; and the UK.-based series Friends & Heroes and The 99. He has written for action shows (Batman, Justice League, The Avengers, Iron Man, He-Man, Kaijudo, The Fantastic Four, Robocop, Skeleton Warriors, Zorro, Young Hercules and three versions of X-Men) and comedy properties (Scooby-Doo, 1001 Nights, Ozzy & Drix, and a pilot for Archie), as well as series designed for younger viewers (Rescue Bots, Octonauts, Krypto the Superdog and Strawberry Shortcake). He most recently worked with DreamWorks Classics and Big Idea Entertainment on two VeggieTales home video releases. In 2012, Uhley received a Writers Guild Award nomination for animation for penning the Ben 10: Ultimate Alien episode, “Moonstruck.” Over the course of his career, Uhley has shared five Emmy nominations for his work on a variety of animation series/ In addition, he received the Entertainment Industries Council's Prism Award for the “Where There’s Smoke” episode of WB animated series Ozzy & Drix. He has also written three animated features for Universal Studios Home Entertainment (The Land Before Time VII, An American Tail III, and An American Tail IV) and has developed long-form projects for Disney Feature Animation, DreamWorks Animation, and DIC Entertainment.