He has produced multiple documentary films including The Queen of Versailles (2012), How to Survive a Plague (2012), The Hunting Ground (2015), Icarus (2017), Won't You Be My Neighbor (2018), On the Record (2020), and has produced documentary series including I'll Be Gone in the Dark (2020), and Allen v. Farrow (2021).

Cogan is the co-founder of Impact Partners, Gamechanger Films, and Story Syndicate.

In 2007, Cogan co-founded Impact Partners a documentary film and television production company alongside Geralyn Dreyfous.

[2][3] Cogan has produced multiple films which have gone on to receive Academy Award for Best Documentary Feature nominations including Hell and Back Again, directed by Danfung Dennis, How to Survive a Plague by David France, and Icarus, directed by Bryan Fogel, which won the award.

[10][11] In June 2019, Cogan co-founded Story Syndicate, a film and television production company alongside Liz Garbus.