2002 Santa Fe Symposium                     Albuquerque, New Mexico / USA        (Finding Money in your Manufacturing System)

2002 Kraftwerks                                                         Ontario, CA / USA     Defect Recognition and Applied Statistics

2003 International Jewelry Symposium                 St. Petersburg, Russia              Applied Mathematics and Physics for the Jewelry Manufacturing Industry

2003 Santa Fe Symposium                     Albuquerque, New Mexico / USA            What you don't know can hurt You. (Defect Recognition and Resolution)

2003 India International Jewelry Show                             Mumbai, India           New Technology in the Jewelry Manufacturing Industry

2003 JEWELMART World Class International Exhibition    Gujarat, India      Jewelry Factory Design Considerations

2004 India International Jewelry Show                              Mumbai, India               Wax and Casting Defects

2005 Kraftwerks                                                          Ontario, CA / USA   Casting Rapid Prototype Materials / Palladium Particulars

2006 Santa Fe Symposium (20th Anniversary)  Nashville, TN / USA                Technical Model Making  (Mathematics of CAD Model Making)