at NEXT Innovation Center on 13 Sep 2012 – 15 Sep 2012

at NEXT Innovation Center on 18 Aug 2011 – 20 Aug 2011

at Sheraton Gateway Suites O’Hare on 24 May 2011 – 27 May 2011

at NEXT Innovation Center on 17 Sep 2010 – 18 Sep 2010

at 31 Woodfin Street, Asheville, North Carolina 28801 USA on 23 Feb 2010 – 25 Feb 2010

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