He is a Brazilian Yo-yo Association director and a judge for contests held in Brazil.
Hamilton is also a well known graffiti artist and his work is recognized around the world. See some of his art in the following link: http://www.dnp.co.jp/artscape/eng/picks/0704_01.html
- Brazil National Yo-yo Contest - 2nd Place
2006 and 2007
- finalist in the world spin top championships