The first guest is audio expert Christina H Moore. Christina has worked on podcasts for the BBC and for Apple Podcasts, and she now works on podcasts with musicians. 

Christina's seen the inner workings of the world's most popular podcast discovery engine: the Apple Podcasts app. So her advice is invaluable for podcasters and would-be podcasters alike.

In other podcast-related things this week, the New Yorker ran a big piece on them - have you read it?