• The Berkeley Reach

    Berkeley Rationality and Effective Altruism Community Hub

  • Where is it?

    The Berkeley Reach is located on the ground floor of 3045 Shattuck Ave, Berkeley, 94705.

    The upper two floors are an EA/rationalist group house called Event Horizon. Please only enter the upstairs unit or gated back yard if you are explicitly invited/taken along by a resident of EH.

    The space is still in the process of being set up and still has some rough edges.

    How can I get involved or help?

    Check out this page for info on getting involved.

  • What is it?

    The Berkeley REACH is a gathering place which offers

    Community Events

    A default place to host

    The REACH is available to host private and community-wide events. No need to do an extensive site search or frantically clean your house before and after an event.

    Note: You will need to either provide your own disposable plates, cups, flatware, snacks, etc, or pay to use the ones stocked by the center.

    See the Calendar for upcoming events and to check for availability.


    A place to work on weekdays

    There are couches, chairs, and tables in the main room, as well as a quieter side room that can be used for coworking during the day. When there's enough interest, we do exercise pomodoros (that is, we do focused work for 25 minutes, followed by 5 minutes of chatting and group exercise, with occasional longer breaks).

    Guest rooms

    A place to stay short-term

    Rooms and couches available for visiting guests, new folks looking for permanent housing, etc.


    See guest room availability here.

    Ongoing Stuff swap

    A place to give and take small items

    Bring things you don't want/need anymore but which other people might want, and/or take things that you'd make good use of:

    • Clothing (in good condition)
    • Books
    • Board Games
    • Chairs
    • Small furniture (check before bringing anything bigger than a nightstand)
    Note: all items should be marked with the date of donation so that they can be taken to be donated to a thrift store if not taken after a few months.

    Lending Libraries

    A place to keep infrequently used items

    The REACH is a great place to bring books, tools, board games, comics, DVDs, etc. that you aren't likely to need in the next few months and don't mind other people using -- we'll keep track of who has them on loan and make sure that you have first priority if/when you want them back.


    These will be stored separately from the stuff swap items! You can also give instructions for items to remain at the REACH and not be taken home.

    Private Event Venue

    A place to hold occasional private events

    Most events at the REACH should be open to the community, but if you have a private event you want to throw and don't have a venue (e.g. limited guest list dinner party, private movie viewing, etc.), you can pay to reserve the space based on a sliding scale which will vary depending on circumstances.

    If you're looking for private rooms for 1:1 sessions for career coaching, counseling, massage, etc. let me know and we can talk about availability and pricing.


    Email to inquire about reserving space. Must not conflict with any events already on the calendar (see bottom of this page).

    Kid-friendly activities

    A place for rationalist and EA families

    More folks in our community are starting to have kids, so we need more kid-friendly spaces and activities!

    Not every event will be kid friendly, but events should be as inclusive as possible after accounting for competing access needs (e.g. a circling event requires focus and many people have difficulty focusing with the sound of children playing in the background).

    There will also be some kid-targeted activities like kid-friendly crafts, reading aloud from kid-friendly books, etc, which adults are also welcome to join if they are ok with going at kid pace :)

    Music Jam Sessions

    A place to practice music, or give/take lessons

    There is a piano in the main space, which can be reserved for practice sessions or giving lessons (pending approval of current guests).

    You are also welcome to set up jam sessions and bring other instruments (again, subject to approval of guests).

    In either case, REACH out to schedule!

    Mediation Sessions

    A place to work through tricky issues

    Need to have a difficult conversation with someone and aren't sure how to go about it on your own?

    See the page on mediation for details.