William P. Alston is Professor Emeritus of Philosophy at Syracuse University and a past President of the Central Division of the American Philosophical Association. His most recent books include "A Realist Conception of Truth, Illocutionary Acts and Sentence Meaning, and Beyond 'Justification': Dimensions of Epistemic Evaluation". Dorit Bar-On is Professor of Philosophy at the University of North Carolina and teaches and does research in philosophy of mind, philosophy of language, and epistemology. She has recently published a book on self-knowledge entitled "Speaking My Mind: Expression and Self-Knowledge". John Collins is a philosophy lecturer at the University of East Anglia. He researches on the syntax-semantics interface and the philosophical reception of the work of Chomsky. He has a book forthcoming on the latter issue. Dirk Greimann is Professor of Philosophy at the Federal University of Santa Maria, Brazil. His areas of specialization are philosophy of language, ontology and the history of Analytic Philosophy. He is author of "Freges Konzeption der Wahrheit". Richard Heck is Professor of Philosophy at Brown University. His main interests are in the areas of philosophy of language, logic, and mathematics, and he has worked extensively on the philosophy of Gottlob Frege. He is presently working on books on Frege's philosophy of arithmetic and on the nature of semantic competence. His recent papers include "Ramified Frege Arithmetic", "Truth and Disquotation" and "Do Demonstratives Have Senses?" Wolfram Hinzen is Professor of Philosophy at the University of Durham. He specializes in the philosophy of language and mind. His publications include the book "Mind Design and Minimal Syntax". Gary Kemp is a Senior Lecturer in the Department of Philosophy at the University of Glasgow. He has published on truth and meaning and related topics, on aesthetics, and on Frege, Russell, Quine and Davidson. Adam Kovach is Assistant Professor of Philosophy at Marymount University. He is interested in metaphysics and the philosophy of mind, and has published articles on theories of truth, on the emotions and the ethics of belief. Ulrich Metschl is Privatdozent at the University of Munich and is currently visiting professor at the University of Innsbruck. He is specialized in the philosophy of logic and the theory of rational choice. He published "A ber einige verwandte Moglichkeiten der Behandlung des Wahrheitsbegriffs" and a number of papers o the philosophy of logic, epistemology, and social choice theory. Bo Mou is Associate Professor of Philosophy at San Jose State University in California, USA. He has published in analytic philosophy, Chinese philosophy and comparative philosophy, concerning philosophy of language, metaphysics, philosophical methodology and ethics. Graham Oppy is Professor of Philosophy at Monash University. His areas of specialization are philosophy of religion and metaphysics, and he also has longstanding interests in philosophy of science and philosophy of language. He has recently published two books: "Philosophical Perspectives on Infinity" and "Arguing About Gods". Michael Rescorla is Assistant Professor of Philosophy at the University of California, Santa Barbara. He specializes in philosophy of language, mind, and logic. His current research focuses on the nature of assertion and on non-propositional varieties of representational content. Richard Schantz is Professor of Philosophy at the University of Siegen, Germany. He is working in the philosophy of language, metaphysics and epistemology. He is author of "Der sinnliche Gehalt der Wahrnehmung" and "Wahrheit, Referenz und Realismus". John R. Searle is Mills Professor of the Philosophy of Mind and Language at the University of California, Berkeley. His publications include the books "Speech Acts, Expression and Meaning", and "The Foundations of Illocutionary Logic" (with Daniel Vanderveken). Gila Sher is a Professor of Philosophy at the University of California, San Diego. Her areas of specialty are epistemology and metaphysics; philosophy of logic; and philosophy of language. Her publications include: "The Bounds of Logic", "In Search of a Substantive Theory of Truth", "Logical Consequence: An Epistemic Outlook", "The Formal-Structural View of Logical Consequence", "The Logical Roots of Indeterminacy", and "Is There a Place for Philosophy in Quine's Theory?" Geo Siegwart is Professor of Philosophy at the University of Greifswald, Germany. He specializes in logic, epistemology and philosophy of language and is author of "Vorfragen zur Wahrheit." Keith Simmons is Professor of Philosophy at UNC Chapel Hill. He has special interests in logic, philosophy of logic and philosophy of language. He is the author of "Universality and the Liar" and the co-editor (with Simon Blackburn) of "Truth." Michael Williams is Professor of Philosophy at the Johns Hopkins University. He is working in the philosophy of language and epistemology. His publications include the book "Groundless Belief," "Unnatural Doubts" and "Problems of Knowledge". Cory D. Wright is in the Philosophy Department at the University of California, San Diego. He mainly works in epistemology and philosophy of cognitive science, with particular emphasis on veridical representation, judgment, grounding, and certainty. Recent chapters and articles are on truth and on mechanistic explanation in psychology.