Jean Laherrère worked for TOTAL for thirty-seven years in a variety of successively more responsible roles encompassing exploration activities in the Sahara, Australia, Canada and Paris. Since retiring from TOTAL, Mr. Laherrère has consulted worldwide on oil and gas potential and production. He has served on the Society of Petroleum Engineers/World Petroleum Congress ad hoc committee on joint definitions of petroleum resources and the task force on “Perspectives Energie 2010-2020” for the Commissariat Général du Plan.