Richard E. DeMaris is Senior Research Professor of Religious Studies at Valparaiso University (USA), whose special interest is early Christian ritual.

Soham Al-Suadi is Professor of New Testament Studies at the University of Rostock (Germany), with a research focus on early Christian ritual practices, meals in antiquity, and gender-critical biblical interpretation.

Richard S. Ascough is Professor of Religious Studies at Queen's University (Canada) and has published widely on the social dynamics of early Christ groups as well as Greek and Roman associations.