Rafael V. Orden Jimnez is Dean of the Faculty of Philosophy and Professor in the Department of the History of Philosophy at Complutense University of Madrid, Spain, and Editor-in-Chief of Revsta de Filosofa. His specialities include Medieval and Renaissance scepticism and German classical thought. Robert Hanna is an independent philosopher and co-director of the Critique and Contemporary Kantian Philosophy project. He has held research and teaching positions in Brazil, Canada, Luxembourg, the United Kingdom, and the United States, and has authored and co-authored six books. Robert Louden is Distinguished Professor of Philosophy at the University of Southern Maine, USA. He is also a former President of the North American Kant Society. Jacinto Rvera de Rosales is Professor of Modern Philosophy at the National University of Distance Education (UNED) in Madrid, Spain.

He is also President of the Society for Kantian Studies in Spanish Language and President of the International Fichte Society. Nuria Sanchez Madrid is Senior Lecturer at Complutense University of Madrid, Spain, and an external member of the Centre of Philosophy at the University of Lisbon, Portugal. She specialises in Aristotle, German classical thought, Kant's political philosophy, and Arendt, and is the author and editor of several monographs and essay collections on Kant's philosophy.