Joseph Bjelde holds a Ph.D. from the University of California, Berkeley. Since 2013, he has been an assistant professor at Humboldt University, Berlin. His work chiefly focuses on Plato’s epistemology. David Merry holds a Ph.D. from Humboldt University in Berlin, and an M.A. from the University of Auckland, was a visiting graduate student at the University of Cambridge in 2016, and has held postdoc appointments at Heidelberg University and Humboldt University. His work focuses on how disagreements in theories of argumentation can lead to disagreements in practical philosophy, and on tensions between seeing arguments as a way to live well, and as a way of discovering truth. His work has appeared in History and Philosophy of Logic, the Journal of Medical Ethics, and Bioethics. Christopher Roser is a doctoral student at Humboldt University, Berlin, and holds an M.Phil. in Classics from the University of Cambridge. He has been a visiting student and scholar at the Universityof Oxford, the University of Toronto, and Columbia University in New York. His work focuses on how Plato’s understanding of the relationship between argumentation and rationality developed as a response to rhetoricians such as Gorgias and Isocrates.