Harold was born Habana, Cuba. He started his ballet training at a young age in the specialized ballet school Alejo Carpentier and continued on to Escuela Nacional de Artes Fernando Alonso. He was accepted into the prestigious Ballet Nacional de Cuba where he interpreted roles in Theme and Variations, Giselle, Cinderella, Romeo and Juliet, Sleeping Beauty, Don Quijote, The Magic Flute, La Fille Mal Gardée, Napoli, Nutcracker, among others. He then pursued his artistic growth dancing soloist and principal roles in companies such as The Art of Classical Ballet, Arts Ballet Theater of Florida, Ballet Concierto de Puerto Rico, CoDa21, Brandon Ballet, and Connecticut Ballet.
Harold has also toured internationally with several companies through countries such as Canada, Cuba, Dominican Republic, Venezuela, Mexico, Uruguay, Puerto Rico, and United States.