Guarantani is currently part of the British Council. The British Council is the official organization that represents Britain overseas. It is represented in 109 countries, focusing mainly in the teaching of English Language. They also help British universities to promote their courses outside the United Kingdom and promote British art and culture overseas, encouraging internationalization
João Guarantani moved from his hometown in São Paulo, Brazil, to study Graphic Design in Saint Martins, London. He had the experience to work part time for the Royal Academy during his degree. When he graduated he started to work at the Brazilian Embassy in London, where he later got involved with the British Council through the Architecture Showcase.