The Tolkien Experience Podcast, begun in 2018, is a podcast for discussion with both common Middle-earth fans and Tolkien-experts. It is run by Tolkien researchers Luke Shelton (its founder), Sarah Westvik, and Sara Brown, who is affiliated with Signum University.
They have interviewed Ted Nasmith, Kristine Larsen, Brian Sibley, Matt from Nerd of the Rings, Verlyn Flieger, Jenny Dolfen, Cliff Broadway of TheOneRing.net, and many others.