Linda Liukas, author of the Hello Ruby books, is a programmer, storyteller, and illustrator from Helsinki, Finland. She is a central figure in the world of programming who worked on edutech before it was even called that. Linda is the founder of Rails Girls, a global phenomenon teaching the basics of programming to young women all over the world. She has studied in business, design, and engineering at Aalto University and product engineering at Stanford University. She was selected as the 2013 Ruby Hero (the most notable prize within the Ruby programming community) and she's the Digital Champion of Finland, appointed by EU commissioner Neelie Kroes.