Chris Humfrey is a zoologist and founder of Wild Action zoo north of Melbourne. He has over 2,000 native animals including cassowaries, koalas, snakes, wedge-tailed eagles and more. With the educational program The Zoo Comes to You he teaches over 250,000 children a year about Australia's biodiversity.
Marcel George is a London-based illustrator who specializes in creating hand-painted contemporary watercolour illustrations. His clients include the Financial Times, Stella Artois and Anthropologie.