November 6-8, 2013. Ultrafest VI. University of Edinburgh.

March 19-21, 2010. Ultrafest V. Haskins Laboratories.

September 28-29, 2007. Ultrafest IV. New York University.

April 2005. Ultrafest III. University of Arizona.

April 22 - 23, 2004. Ultrafest II. University of British Columbia.

December, 2002. Ultrafest I. Haskins Laboratories.