Effective Altruism

Largest Effective Altruism groups

1

Effective Altruism NYC

3,006 Effective Altruists | New York,

Organized by Arushi Gupta

2

Sunday Speaking

2,856 Members | Stockholm,

Organized by Dan S

3

Effective Altruism Melbourne

Organized by Vanessa Thompkins

4

SF Bay Area Effective Altruism

1,556 Members | San Francisco,

Organized by James Norris

5

Effective Altruism Toronto Meetup

1,509 Aspiring Effective Altruists | Toronto,

Organized by Liav Koren

6

Effective Altruism in the Netherlands

1,232 Aspiring Effective Altruists | Utrecht,

Organized by Amarins Veringa

7

LessWrong, Rationality, Wait But Why, Slate Star Codex

1,185 Rationalists | Berlin,

Organized by Marcel Ackermann

8

Rationality - Sydney

1,116 aspiring rationalists | Sydney,

Organized by Eliot!

9

Effective Altruism - Porto

1,030 Effective Altruist | Porto,

Organized by José Oliveira

10

Seattle Effective Altruists

978 Effective Altruists | Seattle,

Organized by Luke