Garry Tonnon is an area black belt who fought at Metamoris 4 on August 10th of this year. Tonnon defeated Australia's Kit Dale via a high elbow guillotine.
Here's the finish:
Tonon takes regular classes under John Danaher at Renzo Gracie's Academy in NYC. In this video, Professor Danaher (in a Madama rashguard) is talking about Tonon:
Which leads me to my point: The techniques used by Tonon to defeat Kit Dale are well-known to the students of Madama Jiu-Jitsu Academy. Read what Kory Acchione, Madama Jiu-Jitsu purple belt, wrote on Facebook shortly after watching the Tonon-Dale match:
Thank you, Professor Madama.