I teach philosophy at MIT, working mainly in ethics, epistemology, and the philosophy of mind. I am the author of Practical Knowledge, Reasons without Rationalism, and Knowing Right From Wrong.
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My self-help book, Midlife: A Philosophical Guide, is available in bookstores and can be ordered online. It has been reviewed in the Economist, ​the Spectator, the LA Review of Books, the Wall Street Journal, and the New Yorker, and was a Times Higher Education Book of the Week.

My work on midlife has been featured in Aeon, Hi-Phi Nation, Five Books, the Guardian, and the New York Times. I have also written about baseball and philosophy, philosophical progress, and the meaning of life.

​You can read more about me at The Reading Lists and 3:AM, or listen to interviews here, here, here, here, and here.

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