Writer and scriptwriter of a dozen picture books, comics and books, his penultimate story published by a Madrid publishing house is: "Patria de las lenguas" [Homeland of Languages]. He was twice awarded the Peace Prize by the Fernando Buesa Foundation, and was a finalist for the Antonio Machado Prize. He takes part in forums as a speaker in Quebec (Canada), and is a course director and teacher at the UPV summer courses and in San Sebastián on topics related to social values and communication. Jansain is the pseudonym of Jean-François Sauré. He has a master's degree in Global Communications from the Sorbonne Paris, and is founder and coordinator of the international and local programme IlustraMaxima, which has achieved worldwide success with 541 participants and 866 works received.