Dr Cardona-Hernández received an M.D. from Las Palmas de Gran Canaria University and completed general paediatric training at the Hospital De La Candelaria in Tenerife. He completed a paediatric endocrinology fellowship at the Hospital Vall d´Hebron in Barcelona and thereafter joined the Paediatric Endocrinology team at the Sant Joan de Déu Barcelona Children´s Hospital. Currently, he is appointed as the director of the Diabetes Program in this centre, the largest paediatric diabetes centre in Spain.