Dr Mizen is a Consultant Medical Psychotherapist and SAP Jungian Analyst.

She trained at the Cassel Hospital in West London before becoming a Consultant at Charing Cross Hospital Fulham.

She currently leads the Devon Personality Disorder Service.

She has an interest in severe and complex patients with Personality disorder and is developing a treatment pathway and practice guide for psychotherapeutic teams working with this patient group, The Relational Affective Model.

She is interested in the interface between neuroscience and psychoanalysis and is undertaking a PhD in Neuroscience.

She is the chair of the Medical Psychotherapy Faculty at the RCPsych.