Dayeh is the academic director of the research program Zukunftsphilologie: Revisiting the Canons of Textual Scholarship from 2010 to 2023, and was the principal investigator for the project Arabic Philology and Textual Practices in the Early Modern Period, funded by the Deutsche Forschungsgemeinschaft from 2015 to 2019.[1] He is also the principal investigator of the European Research Council Consolidator Grant project Know: Polymathy and Interdisciplinarity in Premodern Islamic Epistemic Cultures, which investigates the interplay of various disciplines of knowledge during the postformative period between 1200 and 1800 CE.[1]