“Evidence-based Transhumanism: Truths Everyone Should Know About Knowing the Future.” Transvision 2007, Chicago, July 24–26, 2007.

“An Inconvenient Doubt.” World Future Society, Austin, June 19, 2007

“Cognitive and Emotional Singularities: Will Super-intelligence Come With Super-Wisdom?” Singularity Summit at Stanford, May 13, 2006.

“Proactionary Transhumanism: Challenges and Strategies for the Fourth Phase of Transhumanism.” Transvision 2005, July 23, 2005, Caracas, Venezuela.

“Proactionary Nano-Policy: Managing Massive Decisions for Tiny Technologies.” 1st Workshop on Geoethical Nanotechnology, Lincoln, VT, July 20th, 2005. <http://www.terasemfoundation.org/webcast/ppt/More.ppt>

“The Proactionary Principle: Assessing Technology Impacts Objectively, Comprehensively, and Responsibly.” World Future Society, Austin, TX, October 21 2004.

“Hyperagency vs. Humility: The Art of Living Without Limits.” TransVision 2004, Toronto, Ontario, Canada, August 8, 2004.

“Mind the Gap: Strategic Scenario Analysis for Your Second Life.” Alcor Foundation Conference… November 2002.

Talk to finance executives, Ojai, October 2002

CNN Crossfire debate with Jonathan Moreno, the director of the University of Virginia's Center for Bioethics, July 9, 2002

“Elements of a New Enlightenment: Strategic Philosophy at the Edge of Human.” The Engelsberg Seminar on Consciousness, Genetics, and Society, June 14-16, 2002, Avesta, Sweden.

Life Extension Bootcamp, Sunday April 28, 2002.

Talk on scenario planning to LA Futurists, Santa Monica, February 9, 2002.

Various talks at Extro-5: Shaping Things to Come, June 16-17, 2001, San Jose, California.

“The Metabrain”. Sputnik conference: manTRANSforms, New York, June 2, 2001.

“Enterprise Strategies in the Age of Unlimited Possibilities.” Or: “Unternehmensstrategien im Zeitalter der unbegrentzen Möglichkeiten.” Conference on Consuming Health, Zurich, May 28, 2001 at the Gottlieb Duttweiler Institute (GDI).

“Technological Imagination: Science and Creativity on the Edge of the Transhuman Era.” Keynote address at the IMSC conference, March 28, 2001, University of Southern California, Los Angeles, CA.

“The Zardoz Myth”. Talk on panel at Alcor Technology Conference, Saturday June 17, 2000, Asilomar, California.

“Biotech Futures Utopia, Dystopia, Extropia.” Biotech Futures Conference, U.C. Berkeley, Saturday August 7, 1999

“The Ultrahuman Revolution: Amendments to the Human Constitution.” Biotech Futures Conference, U.C. Berkeley, Saturday August 7, 1999

“Technology’s Transformation of Human Nature.” MENSA Conference, Long Beach, California, Saturday July 2, 1999

Alcor Cryonics Conference 1998, April 1998: On panels for “Identity and Reanimation” and “What’s In It For Me?”

“Self as the Prime Creative Medium.” Art Futura, Madrid, Spain, October 1997.

“Beyond the Machine: Technology and Posthuman Freedom.” Ars Electronica September 1997, Linz, Austria.

“Mind Morph: Technologically Enhanced Emotion and Personality.” EXTRO 3 Conference on the Future, August 9 1997.

“New Enlightenment: European Origins - American Future?” Paper given to The Big Fatigue conference, Munich, March 1997. Published in Telepolis no.3, September 1997, Ed. Bollman, Germany.

“Virtue and Virtuality: From Enhanced Reality to Experience Machines.” At The Sense of the Senses, Bonn, January 1997

Class on “Philosophical Issues of Artificial Intelligence.” December 1996.

Art Center College of Design, Pasadena, California, Wednesday November 1 1995. “Designing the Future: Sculpting Selves, Shaping Environments.”

To the third Bionomics conference, Redwood City, California, Saturday October 21 1995. “Spontaneous Order and Competing Currencies.”

MIT Club of Northern California, April 6 1995, on “The Power of Philosophy in the Transhuman Millennium.” Palo Alto, California.

“Shaping a Self in the Transhuman Era.” Long Beach Virtual Reality Group. Friday March 25, 1994.

“Pancritical Rationalism:  An Extropic Metacontext for Memetic Progress” at EXTRO 1:  The First Extropy Institute Conference on Transhumanist Thought, on Saturday April 30 1994.

Guest speaker at New Edge Conference, Amsterdam, Holland, June 19-20 1993.