John Perry is the Henry Waldgrave Stuart Professor Emeritus of Philosophy at Stanford University, and a Distinguished Professor Emeritus of Philosophy at University of California Riverside. He is author of over 100 articles and books on the philosophy of language and the philosophy of mind. He received a Jean Nicod Prize (France), a Humboldt Prize (Germany), and a Guggenheim Fellowship. In 1983, he co-founded Stanford's Center for the Study of Language and Information (CSLI) and served as its director. He also wrote the internet’s most popular essay on procrastination.

Ken Taylor (1954-2019) was the co-founder of Philosophy Talk and its co-host for almost fifteen years. He was the Henry Waldgrave Stuart Professor of Philosophy at Stanford University and director of Stanford's interdisciplinary program in Symbolic Systems. His work lies at the intersection of the philosophy of language and the philosophy of mind, with an occasional foray into the history of philosophy. He is the author of many books and articles, including Truth and Meaning, Reference and the Rational Mind, and Referring to the World.