Siobhan is the principal pharmacist for liaison psychiatry at King's Health Partners, covering Guy's and St. Thomas', King's College and South London and the Maudsley NHS Foundation Trusts. She holds a Ph.D from King's College London, a postgraduate diploma in clinical pharmacy from the University of London and an undergraduate degree in pharmacy from Cardiff University. She is also an honorary senior lecturer at the Faculty of Life Sciences and Medicine, King's College London. Her clinical expertise is in the use of psychotropic medication in patients with comorbid physical illness, and her academic research focusses on prescribing patterns and outcomes in treatment-resistant schizophrenia. She is a contributing author to the internationally renowned Maudsley Prescribing Guidelines in Psychiatry.