Highraff aka Rafael been painting on the streets for many years and was recently invited to create an important work at the Latin American Memorial in Sao Paulo.
He has exhibited at galleries such as Grafiteria in Sao Paulo and at the beginning of this year at Jonathan Levine Gallery in New York. Last year he travelled in Europe painting the streets in France, Spain and Belgium.
There is a great biography published here... Jonathan Levine Gallery
Check out some of the following links for more about Highraff...