Edited by Sabyasachi Bhaumik, Consultant Psychiatrist, Leicestershire Partnership NHS Trust, Leicester, UK, and Regi Alexander, Consultant Psychiatrist, Hertfordshire Partnership University NHS Foundation Trust, Little Plumstead Hospital, Norwich, UK

Professor Bhaumik practiced as a Consultant Psychiatrist in Learning Disability for 27 years and was the Medical Director of Leicestershire Partnership NHS Trust. As Executive Director for Trust Research & Development activities, he established a nationally recognized research culture in learning disability. From 2007 to 2019 he was the next stage review lead for Learning Disability. Winner of Hospital Doctor Award for Psychiatry Team of the Year 2005, he was awarded an OBE in 2006 for services to medicine. He served as Chair of Faculty of LD, RCPsych (2006-2010), after which he led the College's international education and training programme. He was Chair of the Diaspora Organisation Committee of RCPsych and Honorary Professor of Psychiatry with the University of Leicester, he was also an expert advisor to NICE and NIHR. As a part- time Consultant Psychiatrist, he managed mental health problems in people with LD through community visits and outpatient clinic appointments.

Dr Alexander has over 20 years of experience treating people with developmental disorders and mental health problems. As a Consultant Psychiatrist at Hertfordshire Partnership NHS Foundation Trust, his current job covers the full spectrum of service provision. An Honorary Senior Lecturer at the University of Leicester, he is the author of over 60 peer reviewed publications and book chapters. A member of the National Institute of Healthcare and Excellence (NICE) Guidelines Development Group on Mental Health Problems in People with Learning Disabilities (NG 54), Dr Alexander is the Co-Editor of The Oxford Textbook of Psychiatry of Intellectual Disability, Co-Editor of the Psychiatry of Intellectual Disability Across Cultures (Oxford Cultural Psychiatry series), Deputy Editor of the British Journal of Psychiatry Open and the Content Editor of MindEd LDMH, a free educational resource on mental health in people with learning disability.

Regi Alexander, Hertfordshire Partnership University NHS Foundation Trust & University of Leicester, UK
Bijil Arackal, Sussex Partnership NHS Trust, UK
Mary Barrett, Leicestershire Partnership NHS Trust, UK
Salah Basheer, National Institute of Mental health & Neurosciences, Bangalore, India
Tom Berney, Newcastle University, UK
Sabyasachi Bhaumik, University of Leicester, UK
Sugato Bhaumik, Medical University of Silesia, Poland
Asit Biswas, Leicestershire Partnership NHS Trust, UK
David Branford, Independent Consultant Pharmacist, UK
Traolach S. Brugha, University of Leicester, UK
Tobias Buxton , Sussex Partnership NHS Trust, UK
Umesh Chauhan, General Practitioner & University of Central Lancashire, UK
Verity Chester , Priory Hospitals, St Johns House, Norfolk & University of East Anglia, UK
Sally-Ann Cooper OBE, University of Glasgow, Scotland
Sherva Cooray, Central & North West London NHS Foundation Trust (retired), UK
Ken Courtenay, Consultant Psychiatrist in Intellectual Disabilities, Barnet, Enfield & Haringey Mental Health NHS Trust, UK
John Devapriam, Worcestshire Health & Care NHS Trust & National Clinical Advisor, Care Quality Commission, UK
Divya Devulapally, Leicestershire Partnership NHS Trust, UK
Karen Dodd, Surrey & Borders Partnership NHS Foundation Trust, UK
Satheesh Kumar Gangadharan, Leicestershire Partnership NHS Trust, UK
Shwetha Gangavati, Leicestershire Partnership NHS Trust, UK
Satheesh C. Girimaji, National Institute of Mental health & Neurosciences, Bangalore, India
Jackie Grace , Priory Hospitals, St Johns House, Norfolk, UK
Rohit Gumber, Leicestershire Partnership NHS Trust, Leicester, UK
Ignatius Gunaratna, Priory Hospitals, St Johns House, Norfolk, UK
Jeremy Hall , Cardiff University, Wales, UK
Marisa Hanney, King's College London, London, UK
Matthew Hoghton, General Practitioner & University of Bristol, UK
Angela Hassiotis, University College London, London, UK
Avinash Hiremath, Leicestershire Partnership NHS Trust, Leicester
Anthony Holland, University of Cambridge, UK
Laura Humphries, Westminster Learning Disability Partnership, London, UK
Neil James, University of East Anglia, UK
Sujeet Jaydeokar, Cheshire & Wirral Partnership NHS Foundation Trust, UK
Ian Jones, Cardiff University, Wales, UK
Chaya Kapugama, Leicestershire Partnership NHS Trust, UK
Tawakalitu Kehinde, Hertfordshire Partnership University NHS Foundation Trust, UK
Kimberley Kendall, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Wales, UK
Reza Kiani , Leicestershire Partnership NHS Trust, Leicester & University of Leicester, UK
Peter E. Langdon, Tizard Centre, University of Kent & Hertfordshire Partnership University NHS Foundation Trust, UK
William R. Lindsay, University of Abertay, Scotland, Bangor University, Wales & Deakin University, Melbourne, Australia
Mark Lowell, Tees, Esk & Wear Valley NHS Foundation NHS Trust, UK
Yona Lunsky, Centre for Addiction & Mental health CAMH, University of Toronto, Canada
Jane McCarthy, Waikato District Health Board, New Zealand & Kings College London, UK
Peter McGill, Tizard Centre, University of Kent, UK
Caryl Marshall , South London & Maudsley NHS Foundation Trust, UK
Dasari Michael, Humber NHS Foundation Trust, UK
Glynis H. Murphy, Tizard Centre, University of Kent, UK
Natalie Orr , Leicestershire Partnership NHS Trust, Leicester
Sir Michael Owen , Cardiff University, Wales, UK
Georgina Parkes, Hertfordshire Partnership University NHS Foundation Trust, UK
Dheeraj Rai, University of Bristol, UK
Ameeta Retzer, University of Birmingham, UK
Ian Rogers, Guideline Development Group, Mental Health & Learning Disability, NICE, London, UK
Ashok Roy, Coventry & Warwickshire Partnership NHS Trust, UK
Meera Roy, Leicestershire Partnership NHS Trust, UK
Rohit Shankar, Cornwall Partnership NHS Foundation Trust
Andre Strydom, University College London
John Taylor, Northumbria University, Newcastle upon Tyne & Northumberland, Tyne & Wear NHS Foundation Trust, UK
Priyanka Tharian, East London Foundation NHS Trust, UK
Reena Tharian, Community pharmacist, Norfolk, UK
Rupert Thurston, University of Bristol, UK
Jennifer Torr, Monash University, Melbourne, Australia
Samuel Tromans, University of Leicester, UK
Freya Tyrer, University of Leicester, UK
Peter Tyrer, Imperial College, London, UK
Stephen Tyrer, Institute of Neuroscience, Newcastle University, Newcastle, UK
Nwamake Uchendu, South London & Maudsley NHS Foundation Trust, UK
Atiq Umar, Leicestershire Partnership NHS Trust, UK
Matthew Walker, University College London Hospitals, UK
Suzanne Wilson, Clinical psychologist (independent practice), London, UK
Kiriakos Xenitidis, South London & Maudsley NHS Foundation Trust, UK
Shazia Zahid, South London & Maudsley NHS Foundation Trust, UK