XSL Formatting Objects, Open Publish Conference July 2004 Sydney Australia.

Multi-level Non-uniform Grouping in Very Large Documents, AusWeb Conference, July 2004, Gold Coast, Australia.

TclXML: The Next Generation. September 2002 Vancouver Canada.

Pure XML Publishing, Open Publish Conference July 2002 Sydney Australia.

TclXML, O'Reilly Open Source Conference July 2001 San Diego CA USA.

XML Asia-Pacific. November 2000 Sydney Australia.