Professor in the School of Philosophy at University College Dublin. She received a PhD from Trinity College Dublin (TCD) in Philosophy of Logic under the supervision of Timothy Williamson (1990). She was the Head of UCD School of Philosophy (2011-2013) and has been co-director of the Postgraduate Programme in Cognitive Science, UCD which she co-founded in 2000. She has also held visiting posts in Harvard, MIT, University of Yerevan, Institut Jean Nicod, École normale supérieure, Paris and various universities in China.
Her main research areas are Philosophy of Language, Contemporary American Philosophy (Putnam, Davidson, Rorty and Quine), Relativism, and Cognitive Science; her publications primarily focus on the topic of intractable disagreements in beliefs and values and on Neo-Pragmatism. She was elected a member of the Royal Irish Academy in 2010. She is currently the Principal Investigator of a research project on the American Voice in Philosophy and of a multidisciplinary research project on peer expert disagreement, “When Experts Disagree” (WEXD).