at Northeast PHP Boston on 11 Aug 2012 – 12 Aug 2012

at 3rd aVenue South on 20 Apr 2011 – 22 Apr 2011

at on-line on 6 Nov 2010

at Sheraton Gateway Suites O'Hare Hotel, Rosemont, IL on 18 May 2010 – 21 May 2010

at Atlanta, GA on 28 Sep 2009 – 29 Sep 2009