She is working at the Hospital Sant Joan Despí - Moisès Broggi, in Barcelona, and the Hospital Quiron Barcelona. Dr. Sandoval is instrumental in development and planning for GEO Europe where she holds the position of GEO Europe Director. She attended medical school in Barcelona where she received her doctorate of medicine and as well her PhD. Since joining GEO in 2008 she has traveled to El Salvador, Cambodia, American Samoa, Ethiopia and Tanzania.