Jordan J. Ballor is a theologian with doctoral degrees in Reformation history from the University of Zurich, Switzerland, and moral theology from Calvin Theological Seminary, USA. He is director of research at the Center for Religion, Culture & Democracy and executive editor of the Journal of Religion, Culture & Democracy. He is also associate director of the Junius Institute for Digital Reformation Research and the Henry Institute for the Study of Christianity and Politics.

Cornelis van der Kooi is professor emeritus in systematic theology at the Vrije Universiteit Amsterdam and has published widely in the field of systematic theology and on the theology and impact of (neo)calvinism. Currently he serves as distinguished scholar at the Erasmus Economics and Theology Institute (EETI) at the Erasmus University Rotterdam.