List of historical workshops
December 14, 2010 at CA Tokyo, Japan
September 1, 2010 Tokyo, Japan
July 27, 2010 at Burton CatalystJuly 27, 2010 at Burton Catalyst
April 16, 2010 Tokyo Japan
March 1, 2010 at RSA Conference
November 6, 2009 Tokyo, Japan
July 14, 2009 Tokyo, Japan