Max More is the founder of Extropy Magazine and Institute, philosopher, futurist, transhumanist, and former CEO of Alcor.

Futures theorist, artist, designer, longevity expert, and president of the Extropy Institute. Contributed artistic visions of posthuman futures.

Co-founder of Extropy magazine. Specializes in intellectual property, Internet law, and special jurisdictions.

Transhumanist icon who treated aging and death as problems to solve. Cryopreserved at Alcor.

Cryptographer, wrote about electronic cash in Issue #10, received the first Bitcoin transaction from Satoshi. Cryopreserved at Alcor.

Early bitcoin supporter, community figure, wrote about exercise and longevity in Extropy, and is active in preserving Hal Finney's legacy.

Cryptographer, created bit gold and formalized smart contracts.

Created b-money in 1998, cited directly in the Bitcoin whitepaper.

Economist, invented Idea Futures and prediction markets.

Philosopher, founded the Future of Humanity Institute at Oxford, authored Superintelligence.

Nanotechnology visionary, author of Engines of Creation.

Inventor and futurist, popularized the technological singularity concept.

Joined the mailing list at 17, co-founded MIRI, central figure in AI alignment and rationalism.

Robotics pioneer at Carnegie Mellon, author of Mind Children, keynote speaker at Extro 1.

Pioneer of artificial intelligence.

Posted on the mailing list in the mid-1990s on privacy and cryptography. Later founded WikiLeaks.

Philosopher and researcher on existential risk and cognitive enhancement.

Pioneering figure in cryonics and nanotechnology.

Philosopher focused on consciousness, governance, and spontaneous order.

Physicist and computer scientist active in transhumanist and futurist communities.

Computer scientist and entrepreneur who created and ran the Extropians mailing list.

Computer scientist who pioneered agoric computing and capability-based security.

Developed the Matrioshka Brain concept direct evolution from the Jupiter Brain discussions on the Extropians mailing list.

Cypherpunk best known for the Crypto Anarchist Manifesto.

Active in nanotechnology and cryonics discussions.

Software engineer at Apple and author. She also invented a steganography program called Stego.