David Manley is an American philosopher specializing in metaphysics, effective altruism, critical reasoning, and ethics. He formerly published widely in natural language semantics, ontology, and epistemology. He is Associate Professor of Philosophy at the University of Michigan, Ann Arbor, Michigan.
Professor Manley's papers in the philosophy of language, metaphysics, and epistemology have appeared in such journals as Nous, The Journal of Philosophy, Mind, and PPR.