Carles Ballesteros is a Spanish-born illustrator living and working in Santiago, Chile. He is a member of the Professional Association of Illustrators of Catalonia (APIC). Ballesteros uses a mixture of traditional drawing skills and digital techniques to create his work. He is also the illustrator of Building Machines and other titles in the Changing Faces series, including I Love You, Elephant!, Is That Your Dad?, Don’t Wake the Tiger!, and Meet Happy Bear.