Human Data is Key to AI: Alex Wang from Scale AI

a16z's Ben Horowitz and Erik Torenberg speak with Alex Blania, cofounder and CEO of Tools for Humanity, World, and cofounder of Merge Labs. World is building the largest real human network, a proof-of-human layer for the AI era. They cover the technical challenge of proving human uniqueness at scale using iris biometrics, the privacy architecture behind World ID, and why platforms from social networks to dating apps to video conferencing will soon require proof of human verification.

David Haber speaks with Owen Jennings, executive officer and business lead at Block, about how the company rebuilt itself around AI agents, small squads, and internal tools like Goose and Builder Bot after restructuring more than 40% of its workforce. They discuss what it took to execute a major restructuring, how teams of three are now doing what teams of 14 used to, and how Block is shipping AI-native products like Money Bot and Manager Bot that generate custom interfaces on the fly for tens of millions of users.

a16z general partners Erin Price-Wright and Erik Torenberg speak with Doug Bernauer, founder and CEO of Radiant, and Drew Baglino, founder and CEO of Heron, about rebuilding American energy infrastructure. They discuss portable micro nuclear reactors, solid state power electronics, why delivery rather than generation is the real bottleneck, the case for modular manufacturing, and whether data centers are actually good for the grid.

This episode originally aired on The Twenty Minute VC with Harry Stebbings. Marc Andreessen explains why learning from past investment mistakes can be a trap, shares his framework for evaluating founder greatness through IQ, courage, and drive, and makes the case that venture investors should back the person over the business plan. They also discuss why AI is reconcentrating the tech industry in Silicon Valley, the concept of consumer surplus and where 99% of AI's value will actually go, and why the labor displacement narrative is fundamentally wrong.

Erin Price-Wright speaks with Chandler Luzsicza, founder and CEO of Galadyne, and Turner Caldwell, cofounder and CEO of Mariana Minerals, about what they actually learned building Starship and Tesla's lithium refinery, and how those lessons translate to their own startups. They cover decision velocity, flat organizations, critical path management, vertical integration, hiring for high-talent-density teams, and how to set aggressive milestones without burning people out.