Arati Prabhakar
Arati Prabhakar ( born February 2 , 1959 ) is an American engineer and the former head of DARPA , the United States Defense Advanced Research Projects Agency , a position she held from July 30 , 2012 to January 20 , 2017 . 
<triplet> Arati Prabhakar <subj> February 2, 1959 <obj> date of birth