Justine de Lagausie is the founder of Okidokid and the author of dozens of titles for children published under her name or her pen name at various French publishers. She loves making up stories for children to have fun or learn. She lives in the South of France.

Valeria Petrone lives between Milan and Rome, but she grew up professionally in London, where she started illustrating her first books for children. Since 1988, she has published over 40 titles in Italy, the United States, France, and the UK. Her works range from children's literature to illustrations for advertising, book covers, packaging, digital apps, animations, newspapers, and magazines.