With so many worthy causes out there, GiveWell helps donors evaluate charities based on their ability to save and improve the greatest number of lives per dollar donated.

Buddy Shah is the managing director of GiveWell.

Here are some resources for learning more about informed giving.

GiveWell

The Life You Can Save, by Peter Singer

Doing Good Better, by William MacAskill

Strangers Drowning, by Larissa MacFarquhar

Charity Watch