Guilherme Ramalho Castanho, based in State of São Paulo, Brazil, is currently a Media Manager at Artplan, bringing experience from previous roles at FCB Brasil and Havas Worldwide. Guilherme Ramalho Castanho holds a 2020 - 2021 Big Data & Marketing Intelligence in Marketing @ ESPM Escola Superior de Propaganda e Marketing. With a robust skill set that includes Media Planning, Marketing, Digital Media, Publicidade online, Marketing Communications and more, Guilherme Ramalho Castanho contributes valuable insights to the industry. Guilherme Ramalho Castanho has 5 emails and 2 mobile phone numbers on RocketReach.