Aug 16, 2011 Caleb Past Events No comments yet September 7 in North Carolina: Mario Aiello Seminar BJJ seminar with Mario Aiello, a 4th degree Black Belt under Royler Gracie. $65. Seminar begins @ 630pm. Have gi on hand. 5223-A West Market St. Greensboro, NC 27410 MAPMore information on the official site.