Jacob Lollar (PhD in Religion 2018, Florida State University) is a British Academy International Fellow at Durham University. In the Winter Term 2025/26, he was a POLY Writing Fellow in the Writing Group "Embodying Christianities." During the group's meetings at Forschungskolleg Humanwissenschaften Bad Homburg in December 2025 and May 2026, he developed his contribution to the first volume of POLY's forthcoming three-volume book project, Doing Christianity: A Praxeological Guide to Polycentricity and Plurality of Premodern Christianities.