Pauliina Remes is University Lecturer in Philosophy at Uppsala University, Sweden. She is the author of Plotinus on Self: The Philosophy of the "We" (2007), and Neoplatonism (2008), and the editor of Ancient Philosophy of the Self (2008, with J. Sihvola) and Consciousness: From Perception to Reflection in the History of Philosophy (2007, with S. Heinämaa and V. Lähteenmäki).

Svetla Slaveva-Griffin is Associate Professor of Classics and a core faculty in the History and Philosophy of Science Program at the Florida State University, USA. She has published on a wide range of topics in ancient philosophy, including Plotinus on Number (2009).