Scott Alexander
Scott Alexander writes about psychiatry, AI forecasts, and the risks of advanced AI. He graduated from University College Cork School of Medicine in 2012 and launched Slate Star Codex in 2013. He introduced Astral Codex Ten in 2021, analyzed biological-anchor forecasts in 2022, and helped create AI 2027 in 2025. In September 2026, he wrote about neuralese recurrence; as of October 2026, he works as a doctor at Lorien Psychiatry on models for mental health care.
- Now at
- Lorien Psychiatry
- Badges
Timeline
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May 2010
Disease labels and behavior
In May 2010, he publishes an essay on how people classify conditions such as obesity and depression as diseases, character flaws, or normal variation. The essay examines how these labels affect responsibility and treatment.
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2012
Medical school in Cork
In 2012, he graduates from University College Cork School of Medicine in Ireland.
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2013
Launching Slate Star Codex
Slate Star Codex launches in 2013 as a blog about science, medicine, philosophy, politics, and futurism, with a focus on psychiatry.
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January 2021
Announcing Astral Codex Ten
In January 2021, he announces Astral Codex Ten as his new blog and points readers to its Substack page.
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2022
Biological anchors and AI timelines
In 2022, he analyzes biological-anchor methods for AI timelines, including Ajeya Cotra's estimate for transformative AI.
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April 2025
Coauthoring AI 2027
In April 2025, he coauthors AI 2027, a scenario about the future of AI, and volunteers to rewrite its content in an engaging style. He writes or co-writes AI Futures Project posts about AI timelines and public responses to the AI 2027 forecast.
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September 2026
The Specter of Neuralese
In September 2026, he writes about neuralese recurrence, a hypothetical technology that could let AIs keep dangerous thoughts out of view.
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As of October 2026
Doctor at Lorien Psychiatry
He is a doctor on the US West Coast, working on new models for mental health care at Lorien Psychiatry.
Career
- NowLorien PsychiatryDoctor
Education
Sources and credits
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- Diseased thinking: dissolving questions about disease — LessWrong
- Scott Alexander - EA Forum
- Slate Star Codex - Wikipedia
- About / Top Posts | Slate Star Codex
- Introducing Astral Codex Ten | Slate Star Codex
- Biological Anchors: The Trick that Might or Might Not Work — LessWrong
- AI 2027: What Superintelligence Looks Like — LessWrong
- About — AI 2027
- AI Futures: Blogging And AMA - by Scott Alexander
- Beyond The Last Horizon - by Scott Alexander
- The Specter Of Neuralese - by Scott Alexander
- About - Astral Codex Ten
