Kaitlyn Siu (Author) Dr. Kaitlyn Siu is a child neurologist and part-time assistant clinical professor at McMaster University Ontario Canada. She is also a mother of two and enjoys teaching her young boys all about STEM. She started the website www.teachyourkidscode.com to help share her love for teaching young children the important skill of programming.
Marcelo Badari (Illustrator) Marcelo Badari creates illustrations focused on ideas and characters with pinches of humour and personal vision. He enjoys collaborating on projects providing new ideas and insights. Recently he has illustrated over 20 educational children's books and has just finished the illustrations of a series of 7 books about small sea animals that live at Brazilian beaches. He lives in Brazil in a small town near the mountains where he goes hiking. In his spare time he enjoys creating music and videos.