| Chicago, IL – March 4, 2010 |  |
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| Chicago, IL—January 7, 2010 | |
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| Hamburg, Germany – December 21, 2009 | |
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| Jerusalem, Israel – October 22, 2009 | |
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| Jerusalem, Israel – October 12, 2009 | |
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| Singapore – October 5, 2009 | |
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| Adelaide, Australia – August 4, 2009 | |
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| Southampton, UK – April 23, 2008 | |
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| Jerusalem, Israel – May 31, 2007 | |
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| Oxford, UK - October 3, 2007 | |
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| Jerusalem, Israel - September 2, 2007 | |
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| Jerusalem, Israel - November 1, 2007 | |
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| Jerusalem, Israel – April 19, 2007 | |
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| Newton, MA - February 13, 2007 | |
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| Heraklion, Crete - 4 January, 2007 | |
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| Houston, TX and Newton, MA - November 13, 2006 | |
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| Boston, MA - September 18, 2006 | |
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| Jerusalem, Israel - September 7, 2006 | |
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| Jerusalem, Israel - September 4, 2006 | |
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| Daejeon, Korea – August 17, 2006 | |
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| Beijing, China - August 9, 2006 | |
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| Newton, MA – June 6, 2006 | |
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| Gurabo, Puerto Rico – May 14, 2006 | |
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| Beijing, China - April 27, 2006 | |
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| Hellerup, Denmark – February 16, 2006 | |
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| Newton, MA – January 10, 2006 | |
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| Moscow, Russia – January 5, 2006 | |
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| Beijing, China - December 7, 2005 | |
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| Barcelona, Spain – October 6, 2005 | |
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| Paris, France - September 5, 2005 | |
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| London, UK — July 19, 2005
| |
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| Adelaide, Australia - July 14, 2005
| |
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| Boston, MA - June 29, 2005 | |
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| Boston, MA - June 23, 2005 | |
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| Oslo, Norway - June 1, 2005 | |
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| London, UK - May 25, 2005 | |
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| London, UK - April 28, 2005 | |
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| Beijing, China - March 7, 2005 | |
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| Melbourne, Australia - March 1, 2005 | |
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| Prague, Czech Republic - February 22, 2005 | |
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| Boston, MA - February 15, 2005 | |
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| Tokyo, Japan - February 8, 2005 | |
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| Valencia, Spain - January 19, 2005 | |
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| Chicago, IL - January 11, 2005 | |
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| Boston, MA - January 11, 2005 | |
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