Douglas completed his seminar at his Team HQ: Tonicao Jiu Jitsu.
See below for info on this icon and pionner of Jiu Jitsu in Floripa.
http://www.aucklandbjj.com/2013/06/antonio-claudio-collares-tonicao-jiu.html
Douglas hometown is Floripa (nickname for Florianópolis) where he trained BJJ before migrating to New Zealand.
