Our experts

Dr Fiona Gaughran, Lead Consultant Psychiatrist

Fiona Gaughran

Dr Fiona Gaughran is Lead Consultant in the Trust’s Psychosis Service and an Honorary Senior Lecturer at the Institute of Psychiatry.

Dr James MacCabe, Consultant Psychiatrist

James MacCabe

Dr MacCabe is an Honorary Consultant Psychiatrist with the Psychosis Service at Bethlem Royal Hospital.

Dr Juliana Onwumere, Consultant Clinical Psychologist

Expert small - Juliana Onwumere

Dr Juliana Onwumere is a Consultant Clinical Psychologist with the National Psychosis Unit and the Psychological Interventions Clinic for Outpatients with Psychosis (PICuP) and a Lecturer in the Department of Psychology, King’s College London.

Dr Oliver Howes, Consultant Psychiatrist, Honorary Consultant Psychiatrist

oliver howe picture

Dr Oliver Howes is an Honorary Consultant Psychiatrist with the Trust’s Psychosis Service.

Dr Shitij Kapur, Dean and Head of School at Institute of Psychiatry

Expert small - Shitij Kapur

Dr. Shitij Kapur is a Consultant Psychiatrist in the Trust’s Psychosis Service and is the Dean and Head of School at the Institute of Psychiatry, King’s College London.

Dr Sukhwinder S Shergill, Consultant Psychiatrist

Expert small - Sukhi Shergill

Dr Sukhwinder Shergill is a Consultant Psychiatrist with the National Psychosis Service.

Professor David Taylor, Director of Pharmacy & Pathology, Director of Pharmacy & Pathology


David Taylor is Director of Pharmacy and Pathology at the Maudsley Hospital, Professor of Psychopharmacology at King’s College, London and Honorary Professor at the Institute of Psychiatry.

Professor Gunter Schumann, Honorary Consultant, Honorary Consultant

Professor Gunter Schumann

At the National Psychosis Unit he is responsible for treating patients suffering from comorbid psychosis and addictive disorders, including drug/cannabis-induced psychosis, comorbid psychosis and addictions as well as patients who are hard to treat due to lack of compliance or for forensic reasons.

Professor Robert Flanagan, Consultant Clinical Consultant, Consultant Clinical Scientist

Robert J Flanagan Photo

Particular interests have been analytical methods especially GC and HPLC, treatment of mental illness especially as regards use of antipsychotics, notably clozapine, treatment of cancer, especially in respect of the use of tyrosine kinase inhibitors such as imatinib, and the diagnosis of substance abuse, especially misuse of volatiles such as butane

Professor Robin Murray, Consultant Psychiatrist

Expert small - Robin Murray

Robin Murray is an Honorary Consultant Psychiatrist in the Trust’s National Psychosis Unit.

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