He was the host of Poletik, a satirical news program that airs on Radio Farda, as well as weekly podcast on human rights in Iran, Five in the Afternoon.

[6][7] Parazit also had an extensive social media reach, numbers tallying to over 1,000,000 fans on Facebook and its videos posted online have over 1,000,000 hits.

[citation needed] Hosseini's weekly podcast Five in the Afternoon features news and developments on human rights in Iran in the Persian language.

[citation needed] The show features a summary of the week's news, satirical social commentary, and "the last word," in which Hosseini performs a monologue in a conversational style.

They are the ones that make this happen and my major source of inspiration and admiration, the people of Iran.Hosseni was awarded the Bronze Medal at the 2012 New York Festival's Best Television and Films show in Las Vegas for Parazit, which was honored in the comedy/satire category.

Hosseini testified before the Senate Foreign Relations Subcommittee on Near Eastern and South and Central Affairs on May 11, 2011 where he delivered personal remarks advocating for human rights in Iran.