Stacey Callahan is a clinical psychologist and psychotherapist, specializing in clinical psychology and psychopathology, and she teaches at the University of Toulouse. She has collaborated extensively with Kevin Chassangre on the topic of impostor syndrome, contributing her expertise in understanding the social and psychological dimensions of the condition. Callahan’s work focuses on the psychological challenges faced by individuals in both their personal and professional lives, particularly in relation to feelings of inadequacy and self-doubt.

Her research integrates theoretical perspectives with real-world case studies, providing practical solutions for managing impostor syndrome. Callahan’s role as an educator and researcher allows her to influence both the academic field and clinical practice, ensuring that her insights reach a broad audience.