Armesto's work is in an experimental space in which sculpture and painting coexist with the immaterial nature of light and shadow, together with technology and science.

He has participated in international fairs, including Art Geneve, ARCO, Estampa, Art Marbella and in several solo and group exhibitions, “Luz sobre blanco” with the Marlborough Gallery in Madrid and “Blanca Luz” with Marlborough in Barcelona. He has received awards and scholarships as a meeting point Espacio Astragal, Luz interior Galería Espacio Líquido and Dentro, la lluvia Museo Barjola.