This is a collective study of philosophical questions to do with experts and expertise, such as: What is an expert? Who decides who the experts are? Should we always defer to experts? How should expertise inform public policy? What happens when the experts disagree? Must experts be unbiased? Does it matter what the source of the expertise is?

Part 1: Introduction 1: Duncan Pritchard, Mirko Farina, & Andrea Lavazza: Expertise Part 2: Expertise and Trust 2: Massimo Pigliucci: The Problem of Pseudoscience: Who Should We Trust When it Comes to Fringe Beliefs? 3: Gloria Origgi: Authority, Legitimacy and the Expert-Layman Problem 4: Daniel DeNicola: Institutionalized Expertise: Trust, Rejection, and Ignorance Part 3: Situated and Group Expertise 5: Lisa Bortolotti, Michael Larkin, and Michele Lim: Expertise as Perspectives in Dialogue 6: John Sutton: Affective, Cognitive, and Ecological Components of Joint Expertise in Collaborative Embodied Skills Part 4: Expertise and Public Policy 7: Rivkah Hatchwell and David Papineau: Expert Judgement Without Values: Credences not Inductive Risks 8: Michela Massimi: From the Right to Science as an Epistemic-Cultural Human Right to the Right to Expertise 9: Harry Collins: Studies of Expertise and Experience' Part 5: Expertise and Virtue 10: Linda Zagzebski: Humility for Experts 11: Andrea Lavazza and Mirko Farina: 1. Expertise-in-Action: The Importance of Intellectual and Moral Virtue(s) to Experts' Epistemic Authority' Part 6: Expertise About Value 12: Dominic McIver Lopes: Experts in Aesthetic Value Practices 13: Emma Gordon: Moral Expertise and Socratic AI Part 7: New Directions 14: Veli Mitova: Decolonising Experts 15: Duncan Pritchard: Public Expertise and Ignorance

Mirko Farina is a philosopher and a cognitive scientist. He is a Professor (Senior Researcher) and Head of the Human Machine Interaction Lab in the Institute for Digital Economy and Artificial Systems of Xiamen City, a joint collaboration between Xiamen University and Lomonosov Moscow State University. Prior to that he was Associate Professor of Philosophy and Computer Science at Innopolis University. Andrea Lavazza is a moral philosopher and a neuroethicist. He is senior research fellow at the Centro Universitario Internazionale, Arezzo, Italy, and adjunct professor in Neuroethics at the University of Milan and at the University of Pavia, Italy, where he also teaches Philosophy of Mind. His main interests are at the intersection among ethics, epistemology, cognitive science, and new technologies. Lavazza has published over 110 papers in peer-reviewed journals and a dozen books both in Italian and in English. Duncan Pritchard is UC Distinguished Professor of Philosophy and Director of the Center for Knowledge, Technology & Society at the University of California, Irvine. He was previously Professor of Philosophy and Director of the Eidyn research center at the University of Edinburgh. His monographs include Epistemic Luck (OUP, 2005), The Nature and Value of Knowledge (OUP, 2010), Epistemological Disjunctivism (OUP, 2012), Epistemic Angst: Radical Skepticism and the Groundlessness of Our Believing (Princeton University Press, 2015), and Scepticism: A Very Short Introduction (OUP, 2019). His academic distinctions include the award of the Philip Leverhulme Prize, election to a Fellowship of the Royal Society of Edinburgh, and delivering the annual Soochow Lectures in Philosophy.