Seth Bannon

Seth Bannon

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Entrepreneur, investor. Founder of @fiftyyears. Make something civilization needs. Also: https://t.co/xhMPeOCKIN

Ron Conway’s Relentless Founder Support Sets the Standard
SocialApr 18, 2026

Ron Conway’s Relentless Founder Support Sets the Standard

No better display of who @RonConway is than this: "While I will be stepping back from some of my usual activities, I will continue to support SV Angel founders, who I love with a passion." Even during his own struggles, he still...

By Seth Bannon
Lithium Extraction Scales 350M× in 2.5 Years
SocialApr 17, 2026

Lithium Extraction Scales 350M× in 2.5 Years

This is what engineering progress looks like. @ElectroflowTech has scaled up their lithium extraction tech over 350M× since we backed them. In 2.5 years. First photo is the founders and the initial cell. Second shows the first 100K× scale up. Last ones...

By Seth Bannon
Direct Action Forces Immediate Policy Change
SocialApr 15, 2026

Direct Action Forces Immediate Policy Change

When supply chains shut down in 2021, @typesfast rented a boat, hit the water, and tweeted what he saw in the Port of LA. The mayor changed the law that same day. On Progress, we get into tariffs, Black Death, AI...

By Seth Bannon
Frontier AI Self‑Improves Safety, Paving Path to Future
SocialApr 14, 2026

Frontier AI Self‑Improves Safety, Paving Path to Future

Using frontier AI to autonomously improve safety and alignment capabilities is one of the best paths to a bright future.

By Seth Bannon
NASA Releases Moon Base Guide for Permanent Off‑world Living
SocialApr 13, 2026

NASA Releases Moon Base Guide for Permanent Off‑world Living

NASA just quietly published something incredible. A map of how we build a permanent human presence off Earth. It’s called the Moon Base User’s Guide. Here's what's in it! 🧵 https://t.co/oMEKKo5O8Q

By Seth Bannon
Multiplexed In‑Vivo Screening Drives Next‑Gen Drug Development
SocialApr 13, 2026

Multiplexed In‑Vivo Screening Drives Next‑Gen Drug Development

Multiplexed in vivo screening is the future of drug development. @ManifoldBio is multiplexing protein therapies in vivo. @GordianBio is multiplexing gene therapies in vivo. @waypointbio is multiplexing cell therapies in vivo. GT Bio is multiplexing LNPs in vivo. 50Y portcos all https://t.co/DT2AwXbKtB

By Seth Bannon
Automation Now as Critical as Product Development for Founders
SocialApr 10, 2026

Automation Now as Critical as Product Development for Founders

Automating your company is becoming as important as building a great product. We held an AI for Founders workshop for our portfolio founders with tips and tricks from the 50Y dev team. Here are the highlights: https://t.co/scHbhpGx67 https://t.co/DzKUbjSw2R

By Seth Bannon
Verification, Not Intelligence, Limits AI; Automate Everything
SocialApr 10, 2026

Verification, Not Intelligence, Limits AI; Automate Everything

Two interesting points: AI is bottlenecked as much by verification as by intelligence. Big unlock is making correctness cheap to check for messy, high stakes reasoning via auditable flows. Today automating your company is just as important as building great product.

By Seth Bannon
Treasury Urges Banks to Adopt Anthropic’s Powerful AI
SocialApr 10, 2026

Treasury Urges Banks to Adopt Anthropic’s Powerful AI

A model so good the Treasury Secretary is making sure bank CEOs know about its capabilities to prevent catastrophe. Any sane government would want to be first in line to use this. But this administration is ostracizing the company that makes...

By Seth Bannon
Scientists Should Build, Not Just Publish, Breakthroughs
SocialApr 9, 2026

Scientists Should Build, Not Just Publish, Breakthroughs

Every scientist faces the same choice after a breakthrough: 1/ publish and move on 2/ build a startup to bring the breakthrough into the world David Kingham of @TokamakEnergy thinks the choice is clear: Build. https://t.co/7CDfmP90Yf

By Seth Bannon
Iran War Prep, UK Drift, China Gains: US Crisis
SocialApr 2, 2026

Iran War Prep, UK Drift, China Gains: US Crisis

Devastating frontpage for America. 1/ Iran preparing for prolonged war 2/ UK leaning away from US alliance 3/ strength in China's bond market due to the Iran war What a disaster. https://t.co/XMURlfO7uv

By Seth Bannon
FCC Chair Turns Partisan, Threatening Democratic Media Freedom
SocialMar 28, 2026

FCC Chair Turns Partisan, Threatening Democratic Media Freedom

The FCC Chair is at a partisan conference cheering journalists critical of the administration getting fired and allies buying news networks. The FCC should never be an arm of any political party. That’s how democracy dies.

By Seth Bannon
AI Workflows Turn Months Into Weeks for Builders
SocialMar 25, 2026

AI Workflows Turn Months Into Weeks for Builders

With AI workflows it's often possible to do the work of many months in a single week. There's no better time to be a builder. But staying on top of the latest and greatest is hard. So we hosted an AI for...

By Seth Bannon
Hackathon Targets Neural Repair, AI Surgery, Cryo Innovations
SocialMar 22, 2026

Hackathon Targets Neural Repair, AI Surgery, Cryo Innovations

DEFEATING ENTROPY hackathon at @fiftyyears London HQ. Focus areas: Biomaterials for neural repair Engineered neural cells Tissue replacement AI for surgical robotics Advanced cryo methods Biostasis https://t.co/gMDDoo6Io4

By Seth Bannon