context: Christopher Stevens; (April 18, 1960 [1] - September 11, 2012), whose full name is John Christopher Stevens, born and raised in Northern California [2], studied at Berkeley University and worked as an attorney specializing in international commercial affairs in Washington before joining the State Department American in 1991. Stevens is fluent in Arabic and French and has published many articles in Jerusalem, Damascus and Cairo [3]. He worked as a volunteer in North Africa and worked as an English language teacher in Morocco for two years [4] and has been the US ambassador to Libya since May 2012 [2] Until his death.
question: Who is Christopher Stevens?
answers.text: has been the US ambassador to Libya since May 2012 [2] Until his death