Institute for the Humanities at Salado (lecture), Texas, September 2004

International Society for Subtle Energies and Energy Medicine, Colorado, June 2004

Coast to Coast AM (radio interview), August 2004

Coast to Coast AM (radio interview), June 2004

Society for Scientific Exploration, Las Vegas, NV, May 2004

Defense Advanced Research Projects Agency, Washington DC, June 2003

Spirit in Business Conference, San Francisco, CA, June 2003

Stanford University, Department of Statistics, Stanford, CA, May 2003

University of Minnesota, Center for Spirituality and Health, St. Paul, MN, February 2003

University of California, Davis, CA, October 2002

Friends of the Institute of Noetic Sciences, New York City, September 2002

Human Potential Science International Forum, Chiba, Japan, August 2002

Tucson V: Towards a science of consciousness, Plenary Talk, Univ. of Arizona, April 2002

Coast to Coast AM (radio interview), November 2001

Science Explorers Club, Menlo Park, CA, November 2001

Coast to Coast AM (radio interview), July 2001

International Remote Viewing Association, Las Vegas, NV, June 2001

Starlab Inc., Brussels, Belgium, March 2001

Medical Science Society of Portugal, Lisbon, March 2001

Foundation for Mind-Being Research, Palo Alto, CA, January 2001

Science and Spirituality of Healing, Wake Forest University, NC, October 2000

Technology and Society Committee, Mountain View, CA, October 2000

The Taggert Inn, Stockbridge, MA, September 2000

Esalen Center for Theory and Research, Uncharted Realms of the Mind, July 2000

2000 Conference on Science and Consciousness, Albuquerque, NM, May 2000