He was born into a JanjuaRajput family in Rawalpindi. His father retired as a brigadier in the Pakistan Army,[3] while his three brothers and his brother-in-law Major Ejaz Aziz also retired as military officers.[4]
In 2012, it was alleged that Islam is related to Shah Rukh Khan. The Pakistan Army denied the allegations and said since Lateef Fatima, the mother of Khan, is the adopted daughter of Shah Nawaz Khan, Lateef and her son bare no blood relation to Islam.[6]
Zaheer served as the Director-General of the Counter-Terrorism Wing of the ISI before he was promoted to a lieutenant general and moved to Karachi as the Commander of the V Corps. He was the GOC of the 12th Division for some time before coming to the ISI. He also served as Chief of StaffArmy Strategic Forces Command from 2004 to 2006.[7]
Controversy
In 2020, the former Prime Minister of Pakistan Nawaz Sharif accused Zaheer-ul-Islam of seeking his resignation during the 2014 Azadi march.[8] Islam denied the allegations.