Juan J. Colomina-Alminana is the James Irvine Endowed Professor in the Mills College at Northeastern University, where he teaches Logic, Artificial Intelligence Ethics, and courses on Sustainability. Before that, he taught for Emory, LSU, and UT Austin. His long-term research focuses on the nature of propositions, on which he prominently published Formal Approach to the Metaphysics of Perspectives (2018) and Words and Meaning in Metasemantics (2022). He has also published numerous articles on Philosophical Logic, the Philosophy of Mind, and Epistemology.