Idolized or spurned, the "elites" are a prominent talking point in political debates. Their advocates claim they have rare, exceptional qualities; meanwhile, their foes deem them guilty of everything wrong with the world. The social sciences, free of such extreme passions, have connected the study of elites with the study of power. Like all other social groups, the elites may be subject to multiple investigations, drawing on tried and tested methods (archival research, interviews, observations, statistical analysis, etc.). As Shamus Kahn puts it, "Being an elite is not a mere possession or something 'within' an actor (skills, talents, and human capital); it is an embodied performative act enabled by both possessions and the inscriptions that accompany experiences within elite institutions (schools, clubs, families, networks, etc.)" (Khan 2011, p. 136). However, the elites are not only characterized by their exclusive social circles: their power is related to institutions and pre-exists them. Access to dominant positions requires a set of dedicated properties and a constant effort to conform to expected standards, values and behaviors. Whether power is political, economic, familial, military or religious in nature, the social sciences analyze an unequal distribution of resources legitimated by institutions (the Firm, the Church, the State, the School, the Party, etc.) and highlight two key processes: differentiation and hierarchization. On the one hand, we have societies where an increasingly pronounced division of labor results in distinct