Guy Dejouany (15 December 1920 – 14 November 2011)[1] was the CEO of Compagnie Générale des Eaux, a French company (currently known as Vivendi) and part of France's CAC 40, from 1976 to 1995.[2]
A graduate of the École Polytechnique and the École Nationale des Ponts et Chaussées,[3] he succeeded George Huvelin at Compagnie Générale des Eaux, and was also chief executive officer of Vinci PLC from 1990 to 1996. He was the honorary chairman of Vivendi Universal. He played an important role in Vinci PLC's supervisory board as chairman from 1988 to 1990. He was the director of Vivendi Universal Publishing, and served as a member of the supervisory boards of Dalkia and Compagnie des Eaux et de l'Ozone. He was a permanent representative of Vivendi Universal on the board of directors of UGC, as well as the part-owner and director of Alcatel-Lucent. He was also a member of the councils D E monitoring of Dalkia and of the Ozone and Water-company.