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EXPERT WITNESS

  • A trusted expert witness for personal injury, clinical negligence, family law, immigration, and employment cases 

  • ​Meticulous, evidence-based, accessible medico-legal reports that meet the demands of complex legal cases

  • Prepares around 100 expert reports per year (30% joint, 60% claimant, 10% defendant)

  • Assessment of children, adolescents, and adults

  • Assessments conducted in-person in Yorkshire and London + remote assessments 

Expert witness areas of expertise:

  • Personal injury/clinical negligence: psychiatric/psychological injuries and complex mental health problems following trauma, accidents, and breach of duty/negligence, including serious and catastrophic injury, historical abuse, discrimination, military claims, victims of crime and abuse

  • Family law: mental health of children and parents, parenting competence, family functioning, sibling and parent relationships, complex systemic dynamics, risk to children, residency, contact, ability to make and sustain changes, parental alienation

  • Risk assessment and management: suicide risk, sexual recidivism, sexually harmful behaviour, domestic abuse, intimate partner violence. Theory and evidence-based risk assessment and management, including capacity and motivation to change, protective factors, recommendations for management/treatment

  • Immigration/asylum: victims of torture and abuse, including human trafficking, deportation and its impact on couples and families, risk assessment

  • Employment: work-related stress, fitness to work, return to work, employment tribunals, psychiatric injury, bullying, harassment, discrimination

Expert witness competences:

  • Assessment of psychiatric disorders/mental health problems in children, adolescents, and adults

  • Clinical interview: conducting detailed assessments of complex mental health problems/disorders

  • Diagnosis of psychiatric disorders and personality disorders using DSM-5-TR and ICD-11

  • Psychometric/psychological testing

  • Psychological formulation: uses psychological theory and evidence to explain complex mental health problems/disorders (including why a specific individual developed particular mental health problems/injuries when they did, how mental and physical health problems inter-relate, the contributing role of social factors, and problematic systemic relationships); anticipate and overcome barriers to change (relevant to judgments about prognosis); and guide individualised, evidence-based interventions.

Dr Siddaway combines NHS clinical practice with expert witness work and conducting and supervising research and works across the lifespan – with children, adolescents, and adults. He is a trusted expert witness for personal injury, clinical negligence, family law, immigration, and employment cases and prepares around 100 expert reports per year (30% joint, 60% claimant, 10% defendant). Known for producing meticulous, evidence-based, accessible medico-legal reports and providing clear evidence in Court, he delivers high-quality assessments that meet the demands of complex legal cases. His very happy to informally discuss potential cases and can assess and report with tight turnaround times if needed.

Dr Siddaway conducts expert witness assessments in-person and remotely. He is happy to travel as needed for assessments. Although some professionals view evidence collected remotely as being less credible, the evidence-base indicates that remote assessments are generally equivalent to face-to-face assessments in terms of validity, safety, and acceptability (click here for a summary of the literature). 

Dr Siddaway's Expert Witness CV

Please get in touch to discuss instructions and timescales. References and sample reports are available on request.

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