at Sheraton Gateway Suites O’Hare on 19 May 2014 – 23 May 2014

at Addison Conference and Theatre Centre on 25 Apr 2014 – 26 Apr 2014

at Addison Conference Center on 29 Jun 2012 – 30 Jun 2012

at OSU-Tulsa on 12 Nov 2010

at University of Texas Dallas - Engineering and Computer Science South on 30 Jul 2010

at Dallas, Tx on 26 Sep 2009 – 27 Sep 2009