Henderson is the producer and showrunner for We're All Gonna Die (Even Jay Baruchel), a Crave Original documentary series about the end of the world.
Working with Jesse Wente and Justine Pimlott, he produced Inconvenient Indian, a feature documentary from director Michelle Latimer.
His doctoral dissertation was honoured by the Canadian Historical Association with the John Bullen Prize for best PhD thesis (2008).
He has conducted interviews with a wide range of artists, including Kacey Musgraves, Keira Knightley, Mickey Hart of the Grateful Dead, Richard Thompson, Sarah Harmer, Steve Earle, and Viggo Mortensen.
He has served on the jury for the Polaris Music Prize and has worked as the national pop culture columnist for CBC Radio One.