João Branquinho took his doctorate at the University of Oxford, where he studied with Tim Williamson. He is presently Full Professor of Philosophy at the Faculty of Letters of the University of Lisbon, where he teaches Logic, Metaphysics and Foundations of Cognitive Science. He was for around 20 years the coordinator of the LanCog (Language, Mind and Cognition) Research Group of the same University. A past President of the European Society for Analytical Philosophy (2002-2005), João edited the book The Foundations of Cognitive Science (Oxford University Press: 2002) and co-edited the book Enciclopédia de Termos Lógico-Filosóficos (Martins Fontes: 2006). He also co-edited the open acess volume Compêndio de Problemas de Filosofia Analítica. João's areas of specialization are: Philosophy of Language, Metaphysics, and Foundations of Cognitive Science. He has published in peer-reviewed international journals such as Analysis and Philosophical Perspectives. João founded the journal Disputatio in 1996, and edited and co-edited it (with Teresa Marques) until January 2015. João's current work is on the dynamics of indexical belief, the nature of modes of presentation, the relations between rigid designation and content, the scope and nature of metaphysical necessity, and the concept of existence.