[1] Huseyn was born in Garagashli village of Sabirabad Rayon region of Azerbaijan.

In 1980 through 1983, he worked as a teacher in a secondary school of the Sabirabad district and was a scientific researcher at a History Museum.

In 1997–2000, Huseynov worked at Philosophy and Law Institute of Azerbaijan National Academy of Sciences in Baku.

He also serves as member of commissions on national security and defense issues of National Assembly of Azerbaijan and is a member of Azerbaijan-France, Azerbaijan-Iran, Azerbaijan-Russia, Azerbaijan-Turkey inter-parliamentary working groups.

[1] Huseynov was arrested on charges of organizing disorders in Baku after the results of parliamentary elections were announced in 2005 but was pardoned later on.