| Bostrom, Nick: Advanced topics in transhumanism with informative material in analytic philosophy and computational neuroscience. |
| Davis, John K.: Transhumanist and technology advocate. Incorporates the former Transhumanist Unitarian Universalist Network. |
| Forste, Eric Watt: Extropian and Buddhist; coauthor of the Extropian FAQ. His vast array of transhumanist and anarchocapitalist interests makes him one of the archetypal Extropians. |
| Hanson, Robin: Economist and polymath; inventor of "Ideas Futures" markets; allegedly open-minded and politically undogmatic. His homepage is immodest(?) and says much about him, not necessarily bad things. |
| Machado, Romana: Essays and press appearances from the computer programmer, transhumanist, and extropian. |
| More, Max: Futurist, co-founder and chairman of the Extropy Institute. |
| Overmeire, George: Essays from the Dutch musician about transhumanism, space exploration, and political philosophy. |
| Pearce, David: HedWeb: Interests: how biotechnology will allow us to get rid of suffering in all sentient life (allegedly); animal rights; consciousness; psychopharmacology; and "Why does anything exist?" An attractive, thought-provoking, and many-tentacled site. |
| Reason's Triumph: Personal site of João Pedro de Magalhães, researcher of human aging, with several essays about transhumanism, human nature, and the ethics of new technologies. |
| Tipler, Frank J.: Mathematician and originator of the "Omega Point" theory that the universe is finite, and therefore ultimately controllable in its entirety by sentients. |
| Vita-More, Natasha: Founder and director of the Transhumanist Arts & Culture World Center, president of the Extropy Institute. |
| Yudkowsky, Eliezer: Research Fellow of the Singularity Institute, author of "Friendly AI" and "Staring into the Singularity". His Web complex, "The Low Beyond", contains professional and personal writings. |