Who is the current chairman NAB of Pakistan?

a) Justice (R) Javid Iqbal

b) Najam Sethi

c) Umar Atta Bandial

d) Lt. Gen. (R) Nazir Ahmed Butt 

Federal government of Pakistan on March 4, 2023 appointed Lt-Gen. (R) Nazir Ahmed Butt as Chairman National Accountability Bureau (NAB) of Pakistan.