Esa Diáz-León is Associate Professor of Philosophy at the University of Barcelona. She specializes in the philosophy of mind, language, and the philosophy of race, gender, and sexuality. Professor Diáz-León's main research concerns the metaphysics of gender, race and sexual orientation, the nature of social construction, as well as methodological issues having to do with conceptual ethics.
Jonathan Schaffer is Distinguished Professor of Philosophy at Rutgers University. He specializes in metaphysics, with occasional forays into epistemology and the philosophy of language, mind, and science. He is best known for his work on grounding and his development of monism, and is also a notable proponent of contrastivism. In summer 2026 he will be Visiting Fellow at the Center for Advanced Studies at LMU Munich, upon invitation of Professor Alyssa Ney (LMU).
Barbara Vetter is Professor of Philosophy at Freie Universität Berlin. Her research centers around the modal properties of objects - such as abilities and dispositions - and the role that they play for the metaphysics and epistemology of modality. She is recipient of the 2025 Leibniz Prize from the DFG.