Arturo Sanzano Moreno makes classical and flamenco guitars in Madrid, Spain. He started in 1963 as an apprentice with José Ramirez III  and worked there until 1984, when he opened a workshop in collaboration with Mariano Tezanos Castro ("Moreno y Castro").  In 1989 Sanzano opened his own workshop in Madrid. He has also made guitars in collaboration with Miguel Molero and also Alfredo Gregori.

Source: Arturo Sanzano website (archived 2007)