20th NGF, Uruguray, Feb. 2008

19th NGF, Israel, June 2007

18th NGF, Melbourne, Australia, Nov. 2006

17th NGF, Capetown, S. Africa, Feb. 2006

Mini NGF, Teheran, Iran, Fall 2005

16th NGF, Glamsta, Sweden, August 2005

15th NGF, Mumbai (Bombay), India, March 2005

12th NGF, Glamsta, Sweden, August 2003