What was the revenue of the group in 2015 who's former Chief Executive was Jean-François René Pontal?
Jean-François Pontal Jean-François René Pontal (born 17 April 1943) is a French businessman, and a former Chief Executive of Orange S.A..
ENGIE IT Engie IT or Engie Information & Technologies (former GDF Suez IT) is the IT subsidiary of Engie energy group launched by senior executive Jean-Michel Carboni in 2010; ENGIE IT's revenue in 2013 amounted to EUR 600 millions.