Dr Siddaway (Clin.Psych PhD CPsychol AFBPsS) is Registered with the Health and Care Professions Council (HCPC) as a Practitioner Psychologist and Chartered by the British Psychological Society (BPS). He is an Associate Fellow of the BPS and an Honorary Senior Clinical Lecturer at the University of Glasgow. He attended the BPS’s Expert Witness training and is Chair of the BPS’ Expert Witness Advisory Group, which advises on professional standards and good practice for psychologists working as expert witnesses.

​​

Dr Siddaway has worked in a range of NHS mental health services since 2004 and has extensive clinical experience assessing and treating children, adolescents, and adults experiencing a wide range of mental health problems/disorders. He has specialised in working with trauma, adversity, adjustment, and risk (risk to self, risk to others, risk from others) since 2012, including working in an Occupational Health service, and in services for traumatically bereaved children, adult amputees, veterans, and with a wide range of trauma-exposed populations in the largest psychological trauma service in the UK.

​

Dr Siddaway gained his Doctorate in Clinical Psychology in 2013; his enthusiasm for risk research and psychometrics (psychological assessment and evaluation) led him to undertake a Psychology  PhD, which he completed in 2017. He is trained in a number of evidence-based psychological therapies for working with complex psychological problems, including extensive training in different trauma-focused psychological therapies and therapies for individuals with complex trauma backgrounds. His doctorates, extensive clinical experience and training, and ongoing Continuing Professional Development mean that he brings a depth and breadth of knowledge of psychological science and evidence-based practice to clinical practice, expert witness work, and research. He offers consultation, teaching, training, and supervision to other mental health professionals.

 

Dr Siddaway divides his time between NHS clinical practice as a Consultant Clinical Psychologist, conducting expert witness assessments, and conducting and supervising research. He has worked as an expert witness since 2017 and has developed a strong reputation for producing rigorous and accessible reports in complex cases. He works works across the lifespan - with children, adolescents, and adults - and accepts instructions for personal injury (all types, including serious and catastrophic), clinical negligence, family law, immigration, and employment and work stress cases. 

 

Dr Siddaway's Expert Witness CV