Anna Llenas was born in Barcelona. She graduated in Advertising and Public Relations from the Autonomous University of Barcelona, with a diploma in Graphic Design by The Escola de la Llotya and a postgraduate degree in Creative Illustration from the Escola Eina. She has developed graphic projects for clients as diverse as La Vanguardia (the Spanish daily newspaper), Nestlé and the Government of Catalonia. She has collaborated with other authors as an illustrator.