I second Harrison D’s suggestion to create a spreadsheet of endorsements, since such a list might be useful to a number of EAs and EA orgs, beyond the specific task of updating effectivealtruism.org.
Sources that may point you in the right direction:
I second Harrison D’s suggestion to create a spreadsheet of endorsements, since such a list might be useful to a number of EAs and EA orgs, beyond the specific task of updating effectivealtruism.org.
Sources that may point you in the right direction:
List of prominent members of Giving What We Can
List of people associated with effective altruism
List of Doing Good Better endorsements (perhaps also see media coverage)