Joseba Arguiñano (39) is the youngest of the five boys of Karlos Arguiño (75) and Luisi Ameztoy (74) Joseba and his father share the screen on Cocina Abierto (Antena 3) where, after the veteran chef shows the dishes of the day, his son prepares a recipe. Joseba has trained in renowned establishments such as the AIALA hospitality school in Karlos and the Akelarre restaurant in Pedro Subijana.