Aristotle ran nothing. His documented career is student, tutor, and school founder [1], not operator, and neither the Nicomachean Ethics nor the Politics, his treatise on the city-state, addresses a firm, a market, or an organization in any form a modern reader would recognize. His standing rests on two different facts: what he actually argued about how a person becomes good at acting well, and the fact that the argument is still one of the standing positions in moral philosophy [3], not a museum piece.
The argument, stated plainly: in the Nicomachean Ethics (Book II.6), Aristotle holds that every virtue of character is a condition intermediate between two vices, one of excess and one of deficiency [2]. Courage, for instance, sits between the coward, who flees every danger, and the rash person, who fears none [2]. The mean is not a fixed midpoint; it is determined by reason, “in the way that the person of practical wisdom would determine it” (NE 1107a1–2) [2], and that practical wisdom (phronesis) is, for Aristotle, a distinct kind of knowing from theoretical knowledge, exercised on a particular situation rather than a universal rule. Virtue itself is not innate or taught by lecture: it is built by habituation in childhood, then completed by practical wisdom once reason matures [2].
That argument is still doing work, not sitting in a museum. Virtue ethics, with Plato and Aristotle as its acknowledged founders [3], is one of the three standing positions in normative ethics today, alongside consequentialism and deontology [3], and Alasdair MacIntyre’s After Virtue (1981) is widely credited as among the most important texts in its 20th-century revival [4]. Citing Aristotle on character is citing the root of a position philosophers still actively defend, not a relic.
Place him honestly: adjacent, not devoted, and specifically so. He wrote about how a person becomes excellent, not about running an organization. His own Politics is the closer-to-governance work: the Ethics lays the foundations (happiness as the highest good, virtue as the mean, justice) that the Politics then applies to the city-state [5], and even that is about constitutions and the polis, not firms. His word carries real weight on three things: character as trained habit rather than innate disposition; the idea that every virtue has two opposed failure modes, not one (the whole structure behind The Golden Mean); and practical judgment as a distinct kind of knowing, irreducible to rule-following. It carries no weight at all on anything empirical, anything organizational, or anything about the modern firm: he never studied one.