Marta Piedra is an illustrator specialized in hand lettering, surface pattern design, and 2D animation. She was born in Madrid and has lived in Costa Rica and Mexico. Since 2015, Marta has made her art and sense of humor available to clients such as RTVE, Clipper, Cervezas Ambar, and Novartis. She is the author of 3 books: "Lo más fácil es complicarlo todo" (Random Comics), "¿Materniyá?" (Zenith), and "SexFaqs. Lo que sí preguntan los adolescentes" (Larousse, co-authored with Lara Castro-Grañén).