Public voice

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

  1. 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.

  2. 2012

    Medical school in Cork

    In 2012, he graduates from University College Cork School of Medicine in Ireland.

  3. 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.

  4. 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.

  5. 2022

    Biological anchors and AI timelines

    In 2022, he analyzes biological-anchor methods for AI timelines, including Ajeya Cotra's estimate for transformative AI.

  6. 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.

  7. 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.

  8. 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

  1. NowLorien PsychiatryDoctor

Education

  1. 2012University College Cork

Sources and credits

Photo: We have no published photo of Scott Alexander yet. Send us a free-licensed photo.

  1. Diseased thinking: dissolving questions about disease — LessWrong lesswrong.com. Checked 21 October 2026.
  2. Scott Alexander - EA Forum forum.effectivealtruism.org. Checked 21 October 2026.
  3. Slate Star Codex - Wikipedia en.wikipedia.org. Checked 21 October 2026.
  4. About / Top Posts | Slate Star Codex slatestarcodex.com. Checked 21 October 2026.
  5. Introducing Astral Codex Ten | Slate Star Codex slatestarcodex.com. Checked 21 October 2026.
  6. Biological Anchors: The Trick that Might or Might Not Work — LessWrong lesswrong.com. Checked 21 October 2026.
  7. AI 2027: What Superintelligence Looks Like — LessWrong lesswrong.com. Checked 21 October 2026.
  8. About — AI 2027 ai-2027.com. Checked 21 October 2026.
  9. AI Futures: Blogging And AMA - by Scott Alexander astralcodexten.com. Checked 21 October 2026.
  10. Beyond The Last Horizon - by Scott Alexander blog.aifutures.org. Checked 21 October 2026.
  11. The Specter Of Neuralese - by Scott Alexander astralcodexten.com. Checked 21 October 2026.
  12. About - Astral Codex Ten astralcodexten.com. Checked 21 October 2026.