All of Panmela's work is centered around bringing awareness to domestic violence in her home country of Brazil and she recently did a massive mural exhibition with 60 other artists at the World Cup 2014. Check my article in a legit newspaper about it here.
Panmela's art is well-known in the street and contemporary art worlds, and she uses her organization, Rede Nami to spread the message of women's rights in Brazil and to empower other female artists to paint and make murals all over the favelas in Rio and other cities. Castro's pieces are bold, bright, and feature both spray/can work and brush paint.
Lately, Castro has been focusing on the abduction of 200 girls in Nigeria by terrorist group Boko Haram, and got this piece up in just 48 hours:
Talent and a soul? I love it. Visit Rede Nami's facebook page and follow them to stay updated on Panmela's shows and causes, and for God's sake, pay attention on the next contest!