If you have a general question about something you think I’ll know about, please request my answer on Quora. (You can also use Quora to ask me a question anonymously.)

If you want to contact me for professional reasons, please use LinkedIn.

If you’re in the Boston area and you want to talk about effective altruism, you can book an appointment to talk with someone from Effective Altruism at Harvard in person. (Spoiler: it will probably be me.) If you want to ask a question through email, contact us at harvardea@gmail.com with [Attn: Holly] in the subject line.

If you have a comment about something I said on the blog or you want to say something to to me privately, please use this form: