Professor of History of Art at The Ohio State University. His teaching and research focus on medieval European art and architecture, particularly issues related to the history of science, gender and sexuality studies, and materiality.  He is the author of three books: Body-Worlds: Opicinus de Canistris and the Medieval Cartographic Imagination (2014), Trecento Pictoriality: Diagrammatic Painting in Late Medieval Italy (2023), and Queer Making: On Artists and Desire in Medieval Europe (2025).