Since December 2013, Feierstein has served as Principal Deputy Assistant Secretary of State for Near East Affairs in the Department of State. He received a Bachelor of Arts in Philosophy from Point Park College in 1973 and an Master of Arts in International Relations from Duquesne University in 1975. In June 1975, he joined the Foreign Service.
In 2015, the marriage ended in divorce.
In 2015, Feierstein married Carolyn McIntyre. In June 1975, Feierstein joined the Foreign Service as Director of the Office of Regional Affairs in the Near East Bureau.
He subsequently served as: Director of the Office of Pakistan, Afghanistan, and Bangladesh Affairs. Deputy Director in the Office of Arabian Peninsula Affairs.
And Desk Officer for Nepal, Pakistan and Egypt.
Between 2006 and 2008, Feierstein served in Washington, District of Columbia as Principal Deputy Assistant Coordinator and Deputy Assistant Coordinator for Programs in the Office of the Coordinator for Counterterrorism. Feierstein has served at the following overseas posts:
In 2012, al Qaeda in Yemen offered 3 kilograms (96 ozt) of gold (about United States$160,000) for killing Ambassador Feierstein, and 5 million Yemeni riyals (about United States$23,000) for killing an American soldier in Yemen.