Interview with Chris Kelley (‘Doc Kelley’) here, March 29, 2019.
The following are links to interviews with DE Osto about the book Altered States:
Interview “Psychedelic Buddhists” with Vince Horn on Buddhist Geeks podcast.
Interview with Erik Davis on Expanding Minds podcast.
Interview with Robert Wright on Meaning of Life TV.
Interview with Wallace Chapman on Radio NZ Sunday Morning.
Interview with Tony Balbin on Warrior.do.