Question: Who was the Principal Creative Advisor for Walt Disney Imagineering who helped design the A113 Easter Egg in media?

full_context: Document 1: Cars (franchise): Cars is a CGI-animated film series and Disney media franchise set in a world populated by anthropomorphic vehicles created by John Lasseter. The franchise began with the 2006 film, ""Cars", produced by Pixar and released by Walt Disney Pictures. The film was followed by a sequel in 2011. A third film was released in 2017. DisneyToon Studios produced the spin-off films "Planes" (2013) and "" (2014).
Document 2: John Lasseter: John Alan Lasseter (born January 12, 1957) is an American animator, film director, screenwriter, and film producer. He currently is the chief creative officer of Pixar Animation Studios, Walt Disney Animation Studios, and DisneyToon Studios. He is also the Principal Creative Advisor for Walt Disney Imagineering.
Document 3: Brad Bird: Phillip Bradley "Brad" Bird (born September 24, 1957) is an American director, screenwriter, animator, producer and occasional voice actor, known for animated and live-action films.
Document 4: Toy Story: Toy Story is a 1995 American computer-animated buddy comedy adventure film produced by Pixar Animation Studios for Walt Disney Pictures. The directorial debut of John Lasseter, "Toy Story" was the first feature-length computer-animated film and the first feature film produced by Pixar. Taking place in a world where anthropomorphic toys pretend to be lifeless whenever humans are present, the film's plot focuses on the relationship between Woody, an old-fashioned pullstring cowboy doll (voiced by Tom Hanks), and Buzz Lightyear, an astronaut action figure (voiced by Tim Allen), as they evolve from rivals competing for the affections of Andy, their owner, to friends who work together to be reunited with Andy as his family prepares to move to a new home. The screenplay was written by Joss Whedon, Andrew Stanton, Joel Cohen and Alec Sokolow, based on a story by Lasseter, Pete Docter, Stanton and Joe Ranft. The film features music by Randy Newman, and was executive-produced by Steve Jobs and Edwin Catmull.
Document 5: Art of Disney Animation: The Art of Disney Animation is an attraction at the Walt Disney Studios Park in Disneyland Paris, Disney's California Adventure in Disneyland Resort and Hong Kong Disneyland in Hong Kong Disneyland Resort. In Walt Disney Studios Park, the attraction opened in 2002, along with the park, and is located in the Toon Studios Area (previously known as Animation Courtyard). Toon Studios is where the animated characters come alive - here guests learn about how Disney animated movies are created and can step into the imaginary worlds of animated features from Disney and Pixar.
Document 6: Colin Brady: Colin Brady is an American animator and film director. He graduate of the California Institute of the Arts (CalArts), has worked as lead animator, animation director, supervising animator and co-director with animated film powerhouses Pixar and Industrial Light & Magic. His credits have included "Toy Story", "Toy Story 2", "A Bug's Life", "Men in Black II", "Lemony Snicket's A Series of Unfortunate Events", and many others.
Document 7: Larry Elin: Larry Elin is an associate professor in the Television, Radio, Film department at the S.I Newhouse School of Public Communications at Syracuse University. He teaches media business, interactive media, and animation and special effects. He started his career, however, as an animator at Mathematical Applications Group, Inc., in Elmsford, NY, in 1973, one of the first 3-D computer animation companies. By 1980, Elin had become head of production, and hired Chris Wedge, who later founded Blue Sky Studios, among others. Elin and Wedge were the key animators on MAGI's work on the feature film "Tron", which included the Lightcycle, Recognizer, and Tank sequences. Elin later became executive producer at Kroyer Films, which produced the animation for .
Document 8: Andrew Stanton: Andrew Stanton (born December 3, 1965) is an American film director, screenwriter, producer and voice actor based at Pixar. His film work includes writing and directing Pixar's "A Bug's Life" (1998) (as co-director), "Finding Nemo" (2003), and "WALL-E" (2008), and the live-action film, Disney's "John Carter" (2012). He also co-wrote all three "Toy Story" films and "Monsters, Inc." (2001)
Document 9: Edwin Catmull: Edwin Earl Catmull (born March 31, 1945) is a computer scientist and current president of Pixar and Walt Disney Animation Studios (including the latter's DisneyToon Studios division). As a computer scientist, Catmull has contributed to many important developments in computer graphics.
Document 10: Lee Unkrich: Lee Edward Unkrich (born August 8, 1967) is an American director, film editor and screenwriter. He is a longtime member of the creative team at Pixar, where he started in 1994 as a film editor. He later began directing, first as co-director of "Toy Story 2". After co-directing "Monsters, Inc." and "Finding Nemo", Unkrich made his solo directorial debut with "Toy Story 3", for which he won the Academy Award for Best Animated Film in 2011.
Document 11: Pixar: Pixar ( ), also referred to as Pixar Animation Studios, is an American computer animation film studio based in Emeryville, California that is a subsidiary of The Walt Disney Company. Pixar began in 1979 as the Graphics Group, part of the Lucasfilm computer division, before its spin-out as a corporation in 1986, with funding by Apple Inc. co-founder Steve Jobs, who became the majority shareholder. Disney purchased Pixar in 2006 at a valuation of $7.4 billion, a transaction that resulted in Jobs becoming Disney's largest single shareholder at the time. Pixar is best known for CGI-animated feature films created with RenderMan, Pixar's own implementation of the industry-standard RenderMan image-rendering application programming interface, used to generate high-quality images.
Document 12: Brandon Oldenburg: Brandon Oldenburg was an early employee of Reel FX Creative Studios (1995), doing a combination of design and special effects for television and film. Serving as Senior Creative director for 15 years, he worked with such clients as Troublemaker Studios, Pixar, Disney, DreamWorks and Blue Sky Studios. From 1998 to 2009 Oldenburg oversaw a joint venture with William Joyce and Reel FX. Oldenburg and Joyce’s other collaborations include Halloween decor for Martha Stewart, Parade Floats for Disney and Title Design for feature films. Their most recent story is now in production at DreamWorks called "The Guardians of Childhood". Oldenburg's work has won many industry accolades, most recently the Distinguished Alumni of the Year from Ringling College of Art and Design, where he received his BFA in Illustration and sits on the Board of Trustees. Oldenburg and renowned designer Brad Oldham collaborated on a giant sculptural series for a $1.4 million commission called The Traveling Man, which has drawn national attention. Brandon's illustrations have graced the covers for such prestigious authors' books as Elmore Leonard and Michael Chabon.
Document 13: Jason Surrell: Jason Surrell is a former show writer and producer for Walt Disney Imagineering, the division of The Walt Disney Company that designs and builds for Disney's theme parks and resort hotels. Surrell also is a show director for Walt Disney Entertainment. In June 2014, Surrell left Walt Disney Imagineering and is now with Universal Creative.
Document 14: Pixar: Pixar ( ), also referred to as Pixar Animation Studios, is an American computer animation film studio based in Emeryville, California that is a subsidiary of The Walt Disney Company. Pixar began in 1979 as the Graphics Group, part of the Lucasfilm computer division, before its spin-out as a corporation in 1986, with funding by Apple Inc. co-founder Steve Jobs, who became the majority shareholder. Disney purchased Pixar in 2006 at a valuation of $7.4 billion, a transaction that resulted in Jobs becoming Disney's largest single shareholder at the time. Pixar is best known for CGI-animated feature films created with RenderMan, Pixar's own implementation of the industry-standard RenderMan image-rendering application programming interface, used to generate high-quality images.
Document 15: A113: A113 (sometimes A-113 or A1-13) is an inside joke, an Easter egg in media created by alumni of California Institute of the Arts, referring to the classroom used by graphic design and character animation students including John Lasseter, Tim Burton and Brad Bird. Bird first used it for a license plate number in the "Family Dog" episode of "Amazing Stories". It has appeared in other Disney movies and every Pixar movie.
ground_truth: John Lasseter