He has produced multiple documentary films and series including Hell and Back Again (2011), Rafea: Solar Mama (2012), The Square (2013), The Departure (2017), The Great Hack (2019), The Kleptocrats (2018), The Vow (2020–22), The Meaning of Hitler (2020), F*ck this Job (2021), Flight/Risk (2022), and Defiant (2023).

[5][6][7] In 2013, Lerner produced and directed Pussy Riot: A Punk Prayer alongside Maxim Pozdorovkin, revolving around the court cases surrounding Russian feminist protest group Pussy Riot, the film went onto be broadcast on HBO and BBC Storyville.

[11][12] In 2015, Lerner produced The Russian Woodpecker directed by Chad Gracia, which followed Fedor Alexandrovich's investigation into the Chernobyl disaster, it went onto win the Sundance Grand Jury Prize and be nominated for an Independent Spirit Award for Best Documentary Feature.

[16][17] That same year, he executive produced Unmasking Jihadi John: Anatomy of a Terrorist for HBO Documentary Films and Channel 4.

[18][19] In 2021, Lerner produced F*ck This Job directed by Vera Krichevskaya, revolving around a woman deciding to open an independent television station TV Rain, in Russia.