Matthew Barnett
Robert Miles reads the Alignment Newsletter out loud.
I don't know of any, but it might be worth considering if text to speech would satisfy your purpose?
I already use Voice Dream, and I love it! But human voice is still better quality.
Things like the SlateStarCodex Podcast, SecondEnumerations, the HPMOR podcast, Rationality: From AI to Zombies - The Podcast.