Tags: President.
Najaf Qoli Khan Bakhtiari (1851–1931) (Persian:نجف قلی خان بختیاری) also known Saad ad-Daula and Samsam-os Saltane was an Iranian Prime Minister and a leader of Iranian Constitutional Revolution. He was elected as Prime Minister for two term. First from 3 May 1909 to 16 July 1909 and second from 23 December 1912 to 11 January 1913. He was a leader of Okhovat Party. He was an representative of Parliament of Iran from Tehran in the 4th Parliament.