Kirk Ludwig is professor of philosophy and cognitive science at Indiana University, Bloomington.  He works mainly in the philosophy of mind and action, esp. collective agency, philosophy of language, epistemology and metaphysics.  He is co-author with Ernie Lepore of two books on the work of Donald Davidson, Meaning, Truth, Language and Reality (OUP 2005) and Donald Davidson’s Truth-theoretic Semantics (OUP 2007).  He is editor of Donald Davidson (CUP 2003) and co-editor with Ernie Lepore of The Routledge Companion to Donald Davidson (2013).   His most recent books are From Individual to Plural Agency (OUP 2016), From Plural to Institutional Agency(OUP 2017), and The Routledge Handbook of Collective Intentionality (2018), co-edited with Marija Jankovic.