During the seven years that I worked as a management consultant, I spent a lot of time trying to look older than I was. I became pretty good at furrowing my brow and putting on somber expressions. Those who saw through my disguise assumed I made up for my youth with a fabulous education in management. They were wrong about that. I don’t have an M.B.A. I have a doctoral degree in philosophy—nineteenth-century German philosophy, to be precise. Before I took a job telling managers of large corporations things that they arguably should have known already, my work experience was limited to part-time gigs tutoring surly undergraduates in the ways of Hegel and Nietzsche and to a handful of summer jobs, mostly in the less appetizing ends of the fast-food industry.
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