Julio Puigdorfila Julio Puigdorfila is an engineer and Paco's dad. Encontrando a Paco is his debut picture book with co-author and wife Thaí s Bermú dez. Yamel is a Puerto Rican illustrator with an MA in animation design and visual development from the Academy of Art University in San Francisco, California. Her first picture book, Pitu le baila al mar, was published in 2021. She loves history and fashions from the past, which reflect in her illustrations. She lives in Guaynabo, PR. Thaí s Bermú dez is a chiropractor and Paco's mom. Encontrando a Paco is her debut picture book with co-author and husband Julio Puigdorfila.