Derek Hook is an Associate Professor and clinical supervisor in Psychology at Duquesne University and an Extraordinary Professor of Psychology at the University of Pretoria. He is the author of A Critical Psychology of the Colonial and Six Moments in Lacan. He is co-editor of Lacan and Race (with Sheldon George) and of Fanon, Phenomenology & Psychology (with Leswin Laubscher and Miraj U. Desai).

Calum Neill is an Associate Professor of Psychoanalysis and Cultural Theory at Edinburgh Napier University. He is the author of Without Ground: Lacanian Ethics and the Assumption of Subjectivity, Ethics and Psychology: Beyond Codes of Practice and Jacques Lacan: The Basics. With Derek Hook, he edits the Palgrave Lacan Series.

Stijn Vanheule is a Clinical Psychologist and a Professor of psychoanalysis and clinical psychology at Ghent University, Belgium. He is also a privately practising psychoanalyst and a member of the New Lacanian School for Psychoanalysis. He is the author of The Subject of Psychosis: A Lacanian Perspective and Psychiatric Diagnosis Revisited - From DSM to Clinical Case Formulation.