John Campbell's main interests are in theory of meaning, metaphysics, and the philosophy of psychology. He is currently working on causation in psychology. He is the author of Past, Space and Self (1994), Reference and Consciousness (2002), and (with Quassim Cassam), Berkeley's Puzzle (2014). He was president of the European Society for Philosophy and Psychology 2003-2006. He has given the Whitehead Lectures at Harvard, the Carnap Lectures at Bochum, the Simon Lectures at Toronto, the Clark Lecture at Indiana and the Gramlich Lecture at Dartmouth. He was Fellow of the Center for Advanced Study in the Behavioral Sciences at Stanford in 2003-2004, and British Academy Research Reader 1995-1997. He has held Guggenheim and NEH Fellowships. He was awarded the Jean Nicod Prize in 2017.
