I was recently interviewed about optimal philanthropy by Alex from OK So What Now?. Follow the link for the full episode (which includes interviews with a psychologist and an economist). Alex was kind enough to send me an mp3 of just our section to post here.
I should flag that this is an edited version, so the audio stream has been cut and moved around a bit. E.g. There's a bit early on where my answer shifts to a slightly different topic, but the question Alex had asked in the meantime was cut out, so I come off as inexplicably rambly! But other than that, I'm pretty happy with the result, and the interview itself was lots of fun.