David Lanius is a philosopher specializing in philosophy education, political philosophy, social epistemology, and philosophy of language.  His interests include norms of public debate and constructive discourse, strategic indeterminacy in law and politics, the concepts of fake news and populism, and the teaching of argument and judgment skills. He is a tenure-track assistant professor of practical philosophy and didactics of philosophy in the department of philosophy at the Paris Lodron University of Salzburg (PLUS), co-founder of the Forum for Discourse Culture (Forum für Streitkultur), and key researcher in the “Knowledge in Crisis” Cluster of Excellence focusing on disinformation and epistemic competence.