Mariana Van Zeller is a former Vanguard and current Nat Geo/Fusion correspondent. Darren Foster is her husband and producer working with Mariana on her new show, Inside: Secret America.
Rick Doblin, Ph.D., is the founder and executive director of the Multidisciplinary Association for Psychedelic Studies (MAPS).
Live from the Alaska! Mp3 only podcast
Look behind the scenes of the Joe Rogan Experience podcast; featuring Neil DeGrasse Tyson, David Choe & James Thompson
Jason Silva is a Venezuelan-American filmmaker, philosopher, and television personality, currently hosting Brain Games on National Geographic.