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Index of rationalist groups in the Bay Area June 2025 — LessWrong
blogAuthors
Lucie Philippon·Czynski·Screwtape
Credibility Rating
3/5
Good(3)Good quality. Reputable source with community review or editorial standards, but less rigorous than peer-reviewed venues.
Rating inherited from publication venue: LessWrong
This is a community directory rather than a technical or policy resource; it is most relevant for individuals seeking to connect with the Bay Area rationalist or AI safety community in person.
Forum Post Details
Karma
41
Comments
14
Forum
lesswrong
Forum Tags
List of LinksThe SF Bay AreaCommunity
Metadata
Importance: 22/100blog postreference
Summary
A collaboratively maintained directory of rationalist, EA, and AI safety groups in the San Francisco Bay Area, created to address the fragmentation of the community after many groups became inactive and communication moved to private channels. It catalogs local meetup groups, housing communities, EA organizations, and AI safety initiatives, and is mirrored at BayRationality.com.
Key Points
- •Addresses the 'entry problem' of the Bay Area rationalist community where listed groups were dead and communication moved to private Discord/Slack channels.
- •Catalogs local meetup groups (Taco Tuesday, Thursday Dinners, SF LessWrong Meetup), housing communities, EA orgs, and AI safety initiatives.
- •Maintained collaboratively and mirrored at BayRationality.com for up-to-date, centralized community access.
- •Includes communication hubs: Bay Area Rationalists Discord and BayAreaLessWrong Google Group.
- •Useful onboarding resource for newcomers to the Bay Area rationalist and AI safety community ecosystem.
Cited by 1 page
| Page | Type | Quality |
|---|---|---|
| Gratified | Organization | 25.0 |
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[Index of rationalist groups in the Bay Area June 2025](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#)
2 min read
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[Communication](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#Communication)
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[Local Meetup Groups](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#Local_Meetup_Groups)
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[South Bay](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#South_Bay)
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[Housing](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#Housing)
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[EA](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#EA)
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[AI Safety](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#AI_Safety)
[List of Links](https://www.lesswrong.com/w/list-of-links)[The SF Bay Area](https://www.lesswrong.com/w/the-sf-bay-area)[Community](https://www.lesswrong.com/w/community) [Personal Blog](https://www.lesswrong.com/posts/5conQhfa4rgb4SaWx/site-guide-personal-blogposts-vs-frontpage-posts)
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# [Index of rationalist groups in the Bay Area June2025](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-june-2025)
by [Lucie Philippon](https://www.lesswrong.com/users/lucie-philippon?from=post_header), [Czynski](https://www.lesswrong.com/users/czynski?from=post_header), [Screwtape](https://www.lesswrong.com/users/screwtape?from=post_header)
26th Jul 2024
2 min read
[14](https://www.lesswrong.com/posts/hDefuqC2Rbnr8THYW/index-of-rationalist-groups-in-the-bay-area-july-2024#comments)
# 41
\[Last update: 2025-01-05\]
The Bay Area rationalist community has an entry problem! Lots of listed groups are dead, the last centralized index disappeared, communication moved to private discord and slacks. This is bad, so we're making a new index, hopefully up to date and as complete as we can!
This is now being mirrored at [BayRationality.com](http://www.bayrationality.com/), which will hopefully get prettier formatting over time.
# Communication
Discord: Bay Area Rationalists: [https://discord.gg/EpG4xUVKtf](https://discord.gg/EpG4xUVKtf)
Email Group: BayAreaLessWrong: [https://groups.google.com/g/bay
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