He worked as a writer/reporter for film magazines from 1991-1994.
In that period he wrote and published a book titled Cinema and Literature .
During the years 1993-1999 he secretly made six documentary films titled :
Close-up Long Shot , The Trial , Shamlou : Poet of Freedom ,
The Epitaph , Utopia and The Extras .
1- Close-up Long Shot is about a man called Hossein Sabzian who loves
movies but under the existing conditions dominant in Iranian cinema
industry, has no chance of making a movie. As he says ones like me
melt like a snowflake and have no chance to exist.
2- The Trial is a film about a man named Ali Matini.
He lives in a village near Tehran where he works in a brick kiln.
Using creative techniques and an 8mm camera, he makes movies with
the help and participation of fellow villagers as actors. He writes books and
screens his movies in the village.
The Iranian government arrests and imprisons him for the offense of making films without a government issued permit.
3- Shamlou : Poet of Freedom is a documentary film about the life and times of Ahmad Shamlou, one of the most famous Iranian poets.
4- Epitaph is a documentary about the harsh and unbearable life of
sex trade workers in the Islamic Republic of Iran.
5- Utopia is a documentary about women of war ( Iran / Iraq ) who are
still incarcerated and held in quarantine in an apartment complex in suburbs of Tehran.
6- Extras is a documentary about the lives of older generation of movie
extras and stuntmen of Iranian movie industry who in their old age are
unemployed and have no income or means of support.
Mansouri edited Close-up Long Shot and Shamlou : Poet of Freedom in Iran. The rest of his films were edited and distributed in the U.S.A., Canada and Sweden.
Close-up Long Shot won The Critics Award in Turin Film Festival Italy
and The Best Documentary award in Lisbon Portugal.
This film was also screened on Arte TV channel in France, channel 3 in
Italy and the Euro channel.
The Trial was screened in many film festivals in Europe, U.S.A. and Asia.
It won the Best Documentary award in the New York Tribeca Film Festival and Movie Eye film festival in Russia.
Utopia and The Epitaph were noted in Austrias Viennale film festival. Utopia was acknowledged as notable in the Gutenberg film festival.
In 2006 the Vienna Film Festival in collaboration with University of Vienna published a book titled Poets, Chroniclers, Rebels .
Moslem Mansouri was among 19 documentary filmmakers whose films
were introduced and noted.
In 2004 Moslem Mansouri founded the Iranian Underground Cinema
And in 2006 published The Time Unspent , a screenplay about the life
of Ahmad Mahmood, a contemporary Iranian novelist.
In 2008 he made The Final Word his second film about
Ahmad Shamlou, the Iranian poet.
In 2016 he made a film entitled The Grapes Of Wrath , about
anti-government demonstrations in Iran, interviews with young adults who
actively participated in the protests, and had to take refuge in Europe after the government crackdown.
In 2018 he made a documentary film called Naked Solitude , a film about the life and works of Sadegh Hedayat, one of the most noted 20th century Iranian novelists, who committed suicide in Paris, France in 1951.
Over the last few years, Mansouri has also written articles critical of globalization, the government-sanctioned movie industry in Iran and the suppression of Iranian underground film makers.