AOC Symposium – 11/29 – 12/01 By: Ophir RF|Published on: Oct 11, 2016|Categories: News & Events| The 53rd Annual International Symposium and Convention will be from November 29th to December 1st in Washington D.C. The event will be hosted at the Marriott Marquis. For more information, visit http://www.crows.org/conventions/2016.html.