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..
Erik Engstrom Erik Nils Engstrom (born 14 June 1963) is a Swedish businessman, chief executive officer (CEO) of RELX Group, a multinational information and analytics company, operating in four market segments: scientific, technical and medical; risk and business information; legal; and exhibitions.