École des hautes études commerciales de Paris
The school alumni association, Association des diplômés HEC Paris, was founded in 1883 and gathers alumni of the different institutions of the HEC Group: École HEC Paris, MBA HEC Paris, HEC Paris Executive MBA, Mastères HEC Paris and Doctorat HEC Paris. Each degree is associated with a letter and the year of graduation. In 2017, HEC Alumni has been ranked by The Economist as the 2nd most powerful business school alumni network in the world.