Pedro Marçal is He is an integral part of the CPS Atelier since 1994. Son of Humberto Marçal, responsible for the engraving and lithography editions of the CPS and one of the exponents of contemporary graphic work in Portugal, he owes much of the his learning as a recorder. During his work at Atelier CPS, he has participated as a trainer and advisor in several engraving and lithography workshops.