Mr Jafarzadeh is now an Iranian expert offering his views to Fox News, among others. He believes that the US must change its policy on the MEK if it is to change Tehran.
In a report called "Iran exiles struggle for US influence", BBC points to differences among Iranian opposition groups and discusses their views. A part of this report, examines MKO's stances:
Yet various siren voices are appealing to Washington to help trigger regime change.
One group in particular claims to deserve special attention for uncovering Iran's clandestine nuclear programme and bringing it to the attention of the US.
Alireza Jafarzadeh was the spokesman of the National Council of Resistance of Iran until its Washington office was forced to close.
It is linked to the Mujahedin e-Khalq.
The US State Department lists the MEK as a terrorist group - in its annual report on terrorism the department says "the MEK advocates the violent overthrow of the Iranian regime".
Mr Jafarzadeh is now an Iranian expert offering his views to Fox News, among others.
He believes that the US must change its policy on the MEK if it is to change Tehran.
He describes Iran as a "five-headed dragon" that needs to be slain - listing Iran's support for terrorist groups, its interference in Iraq, its antagonism towards Israel and Middle East peace talks, the suppression of the Iranian people and the nuclear threat.
Iranian Interior Minister Abdolreza Rahmani Fazli called for tougher measures against the Mojahedin-e Khalq Organization (MKO, also known as the MEK, PMOI and NCRI) terrorist group by the European Union...