Hours graduated from the École des Hautes Études Commerciales (HEC) in 1978.
[2] In November 2001, Hours was named the Vice-President of the Fresh Dairy Products division and became the President in March 2002.
[2] Hours contributed significantly to sales growth between 2007 and 2013, which amounted to an increase of 36.4% (from 14 to 22 billion euros) during this period.
He exercised is responsible for all activities of Danone, encompassing around 100,000 people in and 100 countries.
[3] In 2014, at the time of a change of governance, Hours ended his position as managing director of Danone, by the decision of the Administrative Counsel.