Because of my circumstances, living in two different countries at the same time (Spain and USA), and because of the competition efforts that I do, I haven't had one school alone that I assist to (Currently in Spain I assist to Mathias Ribeiro Team only). Jeff Kunze promoted me, but John Carlquist, a Pedro Sauer black belt, signed my application for brown belt IBJJF card. I'm so grateful to them both. I've been lucky enough to have them both as professors, and gather knowledge from both of them! Here is the video from my promotion:
That's My King! from Albert Martin on Vimeo.