Gais (Douglas Santos Tavares) was born in Rio de Janeiro in 1980. He started doing tagging on the streets in 1995, and moved to graffiti in 1997. Starting in 1999 he made urban interventions, pasting posters on city walls. In 2000, he became part of the collective Nation Crew. This year and the following, he attended the National Meeting of Graffiti in Santo André, São Paulo. In 2006, he was a founding member of the Cultural Center Severo 172, in Rio de Janeiro, dedicated to urban art. In 2008, Gais performed with the graffiti artist Chico at the exhibition "Writing Twistedly With Certain Lines: Symbols of a Generation", at Cultural Space Furnas, in Rio de Janeiro. In 2009, 2010 and 2011, he attended the festival STREET - Reflex on Urban Art in Amsterdam, staying in the city for a few months with each edition. In 2011, he had a work auctioned at Phillips de Pury in London and held the exhibition "From 0 to 100 in 1 second. Expo Ama Abstract Geometry," his first solo show at Huma Art Projects, Rio de Janeiro, and also participated in Storke - Urban Art Fair in Berlin. In 2012, the artist participated in the exhibition "Urban Grammar", curated by Vanda Klabin, at the Art Centre Hélio Oiticica, in Rio de Janeiro.