Professor Goldberg works in the areas of Epistemology, Philosophy of Language, Philosophy of Mind. Goldberg’s interests in Epistemology include such topics as reliabilism, the epistemology of testimony, the theory of epistemic justification, social epistemology, self-knowledge, and skepticism. In the Philosophy of Mind and Language, his interests center on the individuation of the propositional attitudes, externalist theories of mental content and linguistic meaning, the semantics of speech and attitude reports, and speech act theory.