(written from a Production point of view)
Kadonaga graduated with an Industrial Design Major from the Ontario College of Art in Ontario, Canada in 1988 and with a Production Design Major from the Art Center College of Design in Pasadena, California in 1990. Throughout the 1990s he worked for the effects companies Commotion, Inc. and Landmark Entertainment Group before he joined Rhythm & Hues as CG Artist, Art Director and Designer in 1993. Since 2002 he is also working as Art Director for Electronic Arts located in Redwood City, California.
As part of Rhythm & Hues he worked on concept art for the Argo shuttle in Star Trek Nemesis but the contract was awarded to another visual effects company.  Other projects as 3D modeler, art director, and artist as part of Rhythm & Hues include the adventure Babe (1995, with James Cromwell) and its sequel Babe: Pig in the City (1998), the comedy The Associate (1996, with Whoopi Goldberg), the fantasy comedy Mystery Men (1999), the science fiction comedy What Planet Are You From? (2000), the science fiction thriller The Sixth Day (2000), the comedies Cats & Dogs (2001) and Scooby-Doo (2002), the action sequel The Fast and the Furious: Tokyo Drift (2006), the adventure comedy Night at the Museum (2006), the comedy sequel Evan Almighty (2007), the comedy remake Land of the Lost (2009), and the fantasy film Cirque du Freak: The Vampire's Assistant (2009).
Early in his career, Kadonaga worked at Arcca Animation on the television series Captain Power and the Soldiers of the Future (1987-1988). His credits as art director include the video games Race for Atlantis (1998), The Lord of the Rings: The Two Towers (2002), and Tiger Woods PGA Tour 2004 (2004).
More recently he worked as costume modeler on the science fiction sequel TRON: Legacy (2010) and as digital set designer on the drama 2012 (2009), James Cameron's science fiction blockbuster Avatar (2009), the comic adaptation Thor (2011, starring Chris Hemsworth), the science fiction film Cowboys & Aliens (2011), the drama Real Steel (2011), the thriller The Girl with the Dragon Tattoo (2011), the animatd movie Dorothy of Oz (2012), and the fantasy film Oz: The Great and Powerful (2013).
In 2010 Kadonaga received an Excellence in Production Design Award from the Art Directors Guild in the category Fantasy Film for his work on Avatar. He shared this award with fellow Trek artists Robert Stromberg, Dorian Bustamante, Ryan Church, James Clyne, Paul Ozzimo, Daphne Yap, C. Scott Baker, Scott Herbertson, Joseph Hiura, Karl J. Martin, Andrew Reeder, and Gregory Jein.