An artist with a particular interest in the theater, Briel was a painter and set designer who also worked briefly as an actor. He studied painting at the Escuela Nacional de Bellas Artes San Alejandro and design at the Escuela Nacional de Diseño in Havana, and photography at the Parsons School of Design in New York. He participated in solo and group shows in the United States and Cuba. In 1994, two years after his death, the Jadite Galleries in New York presented an exhibition of his work. His work is in the collections of the Jersey City Museum in New Jersey, the Museo Nacional de Bellas Artes in Havana and the Housatonic Museum of Art in Bridgeport, Conn. (Cintas for art, 1988-89).