Less Wrong meetups (deprecated)
This page is deprecated.
Please use the new LessWrong community page
Old content, here for historical curiosity:
Less Wrong members sometimes arrange meetups to meet each other in meat space. Some geographic areas have groups that do this regularly. This list also includes some virtual/online meetups. See also Less Wrong meetup group resources.
Related listings elsewhere:
- The LessWrong 2.0 Community page
- Local Effective Altruism groups
- The SlateStarCodex meetup repository.
- A 2015 map of individual user locations, likely outdated
USA
Albany, NY
- Weekly meetings, announced on mailing list: Less Wrong NY Capital Region
Ann Arbor, MI
The Ann Arbor Area Amalgam of Rationalist-Adjacent Anthropoids has a Google mailing list and website.
- Meetings every other Saturday, from 16:00 until about midnight. Usually near downtown Ann Arbor.
Last updated: 21 January 2017
Atlanta, GA
- Inactive
- Facebook Group
Last updated: 15 July 2017
- A new group is now active as SSC Atlanta
- SSC Atlanta
Last updated: 26 September 2019
Austin, TX
- Venue: Central Market (for now, check back for possible changes), on Saturdays at 1:30pm.
- Mailing List: Austin Less Wrong
Last updated: 15 March 2017
Baltimore, MD
- Meets every Sunday evening at 20:00
- Meetings are on the top floor of the Performing Arts and Humanities Building at UMBC
- Email us to be added to the mailing list.
Last updated: 27 November 2016
Bay Area, CA
- There is an umbrella site at BayRationality.com for finding local rationalist people and events. This site is not currently being updated and some information may be out of date.
- Mailing list: BayAreaLessWrong
Berkeley
- Meets every Thursday evening at 7pm
- Meetings are at the Berkeley REACH, at 3045 Shattuck Ave, Berkeley (first floor)
- For meetup announcements, see the Bay Area Less Wrong mailing list.
Last updated: September 1, 2018
San Francisco
- Generally meetups happen on Mondays at 6pm; location varies
- Meetups are announced on the Bay Area Less Wrong mailing list
- Contact: rocurley or maia.
Last updated: 15 July 2017
South Bay / Mountain View
- South Bay Effective Altruism
- Two Tuesdays per month in downtown Mountain View
- Other South Bay meetups might be announced on the Bay Area Less Wrong mailing list.
Last updated: 27 May 2019
Marin
- Has not had a meet up in a while
- Mailing list: lw-sf
Stanford
- Venue: Varies by Year, contact for info
- Facebook: [1]
- Contact Kuhan Jeyapragasan Jake McKinnon Felipe Calero
Boston, MA
- Cambridge Less Wrong
- Facebook : [2]
Last updated: 17 Aug 2021
Buffalo, NY
- Buffalo LW meets irregularly to play games and have discussions. Visit the FB group page for up to date information. The Facebook group also acts like a nice portal for sharing thoughts and asking questions, so feel free to join even if you don't think you can attend meetups.
- Facebook Group
- Contact: Email Buffalo LW
Last updated: 25 July 2017
Chicago, IL
- Chicago Rationality
- Regular meetups: Sundays at 1 PM, Harold Washington Library
- Contact: Peter
- SSC Chicago mailing list (all rationalist-adjacent people welcome, not just SSCers), Chicago Rationality Facebook group
- Effective Altruism Chicago
- Irregular meetings
- Effective Altruism Chicago, UChicago Effective Altruism
Last updated: 15 July 2017
Columbus, OH
- Columbus Rationality is on hiatus. Gatherings of rationalists still occur - to get connected to the community contact AdAstra.
- Columbus Rationality is a very active group. We hold workshops every 1st and 3rd Monday of the month at 7:30 PM, in the HCCO office. We sometimes hold social gatherings on the 5th Monday of the month.
- Meetup page (posted under HCCO umbrella): [5]
- Facebook group: [6]
- Contact: AdAstra
Last updated: 3 May 2017
Denver, CO
- Meets the first Tuesday of every month at 7 PM at 5151 E Yale Cir, Denver CO 80222. It's the club house area on the ground floor of an apartment complex, open directly to the outside/public.
- Contact: Email Steven Zuber
Last updated: 16 September 2017
Fort Lauderdale, FL
- Meetings every Saturday 6pm-9pm
- Location: map
- Contact: Stuart David
Last updated: 24 July 2017
Las Vegas, NV
- Inactive. Contact adamzerner [at] protonmail [dot] com if interested.
Last updated: 4 June 2017
Los Angeles, CA
- We meet up at 7 pm every Wednesday at the Wine Bar next to the Landmark Theater in the Westside Pavilion (10800 W Pico Blvd #312, Los Angeles, CA 90064). Please join our google group and request an invite to the google hangout for topic discussion/etc.
- Mailing List: Less Wrong Southern California Announcements
- Facebook group (not very active; Google Group is primary channel of communication)
- Calendar: SoCal LW Meetups
Last updated: 15 July 2017
Madison, WI
- LessWrong Madison (inactive)
- Last known event: 20 June 2015
- LessWrong Madison mailing list, Facebook group
- Effective Altruism Madison
- Meets often, no regular schedule
- Website, Meetup.com group, mailing list, Facebook group
Last updated: 21 April 2017
New Hampshire
- Meets twice/month on the second and fourth Tuesdays of each month at 7 pm at a private residence in Manchester.
- Contact: Elizabeth Edwards
- Facebook group: [7]
Last updated: 30 August 2017
New Haven, CT
- Yale Effective Altruism meets weekly at Yale University, typically Thursdays 16:30-18:00
- Online: Website, Meetup.com, Facebook Group
- Contact: Mojmir Stehlik, or Yale EA
New York City, NY
The NYC meetup group is very large and meets frequently. The NYC community was profiled here as a case study. Please join the mailing list!
- Weekly, Tuesday, usually 7-11pm, Most often Private Residence, but varies (check mailing list)
- Mailing list: Main Google Group
Philadelphia, PA
- LessWrong Philadelphia meets irregularly. Join the mailing list to find out about upcoming meetups. We also have a Facebook group.
- Philly Political Agnostics: rational, non-partisan discussion of politics; draws heavily from LW & SSC. Find out about upcoming meetups at the meetup.com page
Last updated: 10 September 2017
Phoenix, AZ
- We meet irregularly on weekends at Hayden Library (In the middle of Arizona State University's Tempe Campus)
- Contact: Danny_Hintze
Pittsburgh, PA
- Currently inactive
- Mailing list: Pittsburgh Less Wrong
Last update: 24 July 2017
Portland, OR
- Lacking leadership and active meetups as of August 2015
- Mailing list: LessWrong Portland
- Facebook group
Research Triangle, NC (Raleigh/Durham/Chapel Hill)
- Mailing list: Research Triangle Less Wrong
- Research Triangle LessWrong meetups are generally scheduled during the evening of the 1st, 3rd, and 5th Thursdays of each month. To be notified of future meetups (or to call one yourself!) please join the (very low-volume) RTLW Google group or keep an eye on our calendar.
Last updated: 24 July 2017
Salt Lake City, UT
- Inactive since 2015
- Google Group/mailing list and Facebook Group
Last updated: 25 July 2017
Seattle, WA
Other infrastructure:
- Seattle Effective Altruists Meetup page (mostly mirror of facebook group)
- LW-Seattle Mailing list, now mostly defunct.
Last updated: 2021-06-26
Washington, DC
- Recurring meetup most Sundays at 15:30, usually in the courtyard of the Old Patent Office Building.
- Mailing list: Less Wrong DC
- Contacts: markas.
Canada
Toronto, ON
- Organization: Check on meetup.com
- Typical Venue: Libraries or people's homes
- Schedule: Thursdays
- Contact: Giles Edkins [8] or Tuxedage [9]
All meetups are announced and organized on meetup.com.
Waterloo
- LessWrong Waterloo has been on hiatus for several years, but there has been recent interest in restarting the group. Join the Google Group to find out more.
- Mailing list: Waterloo Google Group
Last updated: 25 July 2017
Ottawa
Previous meetups have included presentations on books and discussions on HPMOR.
- Mailing list: Ottawa Google Group
- Meetup.com site: Less Wrong Ottawa will no longer be advertised on Meetup.com, though related Ottawa Skeptics pub events will cover the same interest group. If you are interested in RSVP'ing for the LW meetups, you can send a private message to user Swimmer963.
Nova Scotia
- Venue: Private residence
- Contact: [10]
Vancouver
We meet every week, usually somewhere in Kitsilano or downtown.
We do most of our organizing on the VanLWmeetup Facebook group and have a mailing list: Vancouver Rationalists
Montreal
- Time: varied
- Frequency: at least once per week
- Venue: the Macroscope
- Groups: Facebook group, (the Google group is deprecated)
- Contacts: Mati Roy (and Facebook or mathieu.roy.37@gmail.com)
- Meetups Content: CfAR-inspired exercises, games, social meetups, celebrations, movie night, and other.
Last updated: 15 January 2018
Other relevant groups: Montreal Artificial Intelligence Ethics and Safety, Montreal Effective Altruism, Montreal Alliance for Rationalist Sharehouses (MARS), Montreal Cryonics
Europe
Vienna, Austria
- Facebook group[11]
- Meets every month
- Contact Ratcourse to be added to the mailing list
Brussels, Belgium
- This group is dead. If you would like to restart it, the Meetup.com group still exists.
- The Brussels meetup group wiki page serves as a testament to the fact that there once was something here.
Last updated: 30 August 2017
Croatia
Last updated: 1 August 2017
Prague, Czech Republic
- Contact kotrfa
- Discussion and announcements at Facebook group
- Website (inc. google calendar)
- Schedule: every two weeks
Brno, Czech Republic
Copenhagen, Denmark
- Inactive since 2015
- Mailing list: less-wrong-copenhagen
Last updated: 25 July 2017
Helsinki, Finland
Paris, France
- LessWrong France (inactive)
- Mailing list: lesswrong-france
- Contact Emile or Morendil
- Altruisme Efficace France
Berlin, Germany
- Meetup.com: lesswrong-rationality-waitbutwhy-slatestarcodex berlin
- LessWrong page: LessWrong Berlin
- Mailing list: lw-berlin
- Contact ChristianKl
- Schedule: one LessWrong meetup and one ACX meetup per month (additional events might exist as well)
Cologne, Germany
- Meetings are coordinated on the mailing list; there is also a very small Facebook group
- Contact: caffemacchiavelli
- Schedule: monthly, decided via Doodle poll (see mailing list)
Last updated: 1 August 2017
Frankfurt/Mainz, Germany
- Mailing list: less-wrong-frankfurt
- Contact: Kendra
- Schedule: Irregular
Hamburg, Germany
- Mailing list: [12]
- Contact: [13]
- Schedule: possibly bi-weekly, alternating Friday and Saturday/Sunday
Munich, Germany
- Meetup announcements on Meetup.com
- Discussion and announcements (partly in German) also in Facebook group.
- Schedule: Monthly (usually first weekend in the month, see announcements)
Budapest, Hungary
- Venue: California Coffee Company Basilica (coffee shop), Szent Istvan ter 4-5. Link
- Schedule: weekends, see mailing list.
- Mailing list: BudLessWrong
- Contact AlexeyM or katyusha
Milano, Italy
The Netherlands
- LessWrong Netherlands
- LW Netherlands meets every two weeks, on Sunday at 13:10 at Coffee Company Treub at Meester Treublaan 18, 1097 DP Amsterdam, Netherlands.
- Find us on Facebook and meetup.com, or email Tim to get involved.
- Netherlands Effective Altruism
- Netherlands EA is very active. There are local groups in Amsterdam, Groningen, Maastricht, Nijmegen, Rotterdam, Twente, Utrecht, and at University College Maastricht and University College Roosevelt. The UCR group is also a rationality group.
- We have a meetup.com group, a Facebook group, and a Facebook page.
- SlateStarCodex Amsterdam
- SSC Amsterdam meets monthly at Cafe Batavia, Prinshendrikade 85. To accommodate people with different schedules, we alternate between holding meetups on Wednesdays and Saturdays. In odd-numbered months, meetups are held the first Saturday of the month at 5 PM. In even-numbered months, meetups are held the first Wednesday of the month at 7 PM.
- Facebook group
Last updated: 4 August 2017
Kraków, Poland
- LessWrong Krakow
- Mailing list, LW Krakow Facebook group
- Schedule: recently Thursdays at 6.30 pm, but check the above mailing list for updates
- Effective Altruism Krakow
Poznan, Poland
- Mailing list: https://groups.google.com/d/forum/less-wrong-poznan
- Facebook: https://www.facebook.com/groups/lw.poznan/
- Schedule: Sundays at 6 - 8 pm, but check mailing list or fb page for up-to-date info
- Contact: mail
Warsaw, Poland
Moscow, Russia
- Schedule: biweekly Sunday meetups, dojos on Fridays, sequences reading on Mondays. Find out more on the LessWrong.ru wiki
- Contact: me@berekuk.ru
- Links:
- If you want to start meetup group in another Russian city, feel free contact us, we will help with anything we can.
Last updated: 1 August 2017
St. Petersburg, Russia
- Schedule: Saturdays every week / every two weeks, 6pm.
- Applied rationality workshop: vk event.
- Regular meetings: vk community, vk event.
- Meetup.com page.
- Contact: v.e.evard@gmail.com, efim.wool@gmail.com.
Bratislava, Slovakia
Madrid, Spain
- Effective Altruism and Rationality FB group: [16]
- Contact: jsevillamol, pvs
- Regular meetups beginning March 2017. If you would like to attend, please contact us.
- Newcomers to the rationality community/ people who want to know more about rationality specially welcome.
Last updated: 9 Feb 2018
Stockholm, Sweden
- Meetups posted on meetup.com
- Influence times and topics
Last updated: 21 April 2017
Zurich, Switzerland
- Meetups happen irregularly, coordinated in the closed Facebook group
- Rationality Zurich Facebook group
Last updated: 1 August 2017
Kiev, Ukraine
Bath, UK
- Inactive
- Facebook group
Bristol, UK
Rationality Cafe and Effective Altruism
- Schedule: Generally a monthly EA social which devolves into a general Rationality meetup often.
- Facebook EA Page
- Facebook EA Discussion/Community Group
- Facebook EA Student Society
- Facebook Rationality Group
A Philosophy Reading Group (Online)
- https://www.meetup.com/a-philosophy-reading-group/
- Enjoy discussions for amateur philosophers focussed on particular readings
Cambridge, UK
- Schedule: Irregular times and places -- join the mailing list to see when something's going to happen, or to suggest a meetup.
- Mailing list: CambridgeLessWrong
London, UK
- Venue: Varies, see Mailing list and LessWrong. But very often the Shakespeare's Head, London WC2B 6BG map. Look for the Art Lebedev paperclip sign on our table.
- Schedule: Biweekly meetups every other Sunday at 2:00 pm.
- LessWrongLondon Mailing list
- Less Wrong London Facebook group
Oxford, UK
As of September 2019, we're hoping to meet monthly, probably at The Gardener's Arms. See OxfordRationalish Facebook page for details
Previously:
- Oxford Rationality Meetups
- Venue: Exeter College
- Schedule: Saturday termtimes - normally 6-8pm.
- Contact Larks or AlexFlint for details.
Australia
Online
- Australia-wide online meetups approximately once per month (currently on a Sunday around the middle of the month). Announced on the Less Wrong site and on the Facebook groups for Sydney and Melbourne. Upcoming meetups in 2015 are unplanned but are roughly bi-monthly.
Brisbane
Brisbane has not yet had an in-person meetup but they are growing as a facebook group, when we have enough interest we will organise a meetup. Brisbane Facebook group
Canberra
- Weekly on a Thursday 5-7pm. We alternate between a social week (boardgames, chatting etc) Then a more structured week.
- Venue: Room 3.39 of the Hancock Library: [17]
- Facebook group: Less Wrong Canberra
- Records of previous meetups: [[18]]
Melbourne
- Social Meetups – see the Facebook announcements. (Default: the fourth Friday night of each month, at a bar in the CBD.)
- We sometimes organise impromptu social outings and excursions.
See our Facebook group for event details:
- Facebook group: Less Wrong Melbourne
- Mailing list (currently inactive): Melbourne Less Wrong
Last updated: July 2022
There is also Effective Altruism Melbourne – active as of July 2022: Meetup and Facebook. Activities include social fingers. Pre-pandemic There were regular co-working sessions (approx twice per month in late 2017).
Perth
- Meetup group: Perth Less Wrong
- Facebook group [19]
- Contact: ab9
Sydney
- General meetup on the fourth Wednesday of the month. Will include a combination of social and rationality-improvement exercises.
- Rationality dojo on the first Sunday of the month. Focused on rationality improvement talks and exercises.
- Irregular social meetups (whenever we come up with a good excuse) usually a fortnight after the main meetups
- contact elo
- Sydney's Lesswrong wiki page
Facebook group: https://www.facebook.com/groups/lesswrongsydney/
New Zealand
Christchurch
- Schedule: Every second Sunday
- Venue: Usually a discussion room in James Hight library (University of Canterbury)
Middle East
Tel Aviv, Israel
- Schedule: Once every two weeks
- Venue: Usually Google Israel offices (29th floor, Electra tower, Yigal Allon 98, Tel Aviv)
- Mailing list,Facebook group
Last updated: 21 April 2017
South America
Buenos Aires, Argentina
- Inactive since 2014
- Venue: Starbucks or GarageLab
- Mailing list: Google Group
- Website: [20]
São Paulo, Brazil
- Schedule: Monthly meetups on a Saturday at 14:00, check mailing list for details
- Venue: Vanilla Café
- Mailing list: Google Group
- Meetup group: Racionalidade em São Paulo
- Website: http://racionalidade.com.br
Last updated: 24 July 2017
Asia
Singapore
- Inactive since 2016
- Mailing list: LessWrong Singapore
Last updated: 25 July 2017
Tokyo, Japan
- Inactive
- Facebook group: https://www.facebook.com/groups/LessWrongTokyo/
Last updated: 25 July 2017
Bengaluru, India
- Facebook group
- Schedule : 2nd Saturday of every month, subject to availability of members as on that day.
- We have been meeting for more than 1.5 years now. Sound us out if anyone is interested.
Last updated: 14 May 2016
Virtual
Australia mega-meetups
see Less_Wrong_meetup_groups#Australia
Chat networks
Including:
- Discord
- IRC
- Slack
- Study Hall - co working
Blog posts
- Humans are not automatically strategic by AnnaSalamon
- Less Wrong NYC: Case Study of a Successful Rationalist Chapter by Cosmos
- Epistle to the New York Less Wrongians by Eliezer Yudkowsky