Risto Mejide Roldán (born 29 November 1974; born Ricardo Mejide Roldán), is a Spanish publicist, author, music producer, talent show judge, TV presenter and songwriter, best known as a judge on the television talent shows Operación Triunfo, Tú sí que vales, Got Talent España, Factor X and Top Star. ¿Cuánto vale tu voz?, all five of them aired on...