Since October 2020 Marius researched and thought at the Vrije Universiteit Amsterdam (NL). His current project, funded by the Templeton WCF, is an attempt at better understanding the notion of "spiritual intelligence" from a psychological, computational and theological perspective.

Between 2017 and 2020 he completed a PhD in ethics at the University of Strasbourg (FR). His thesis analysed the potential philosophical and theological implications of human-level Artificial Intelligence.