Beigi & Chiu Clinical Psychology Limited

Clinical Psychology Expert Witness Service

For enquires, please contact:

Dr Mazda Beigi & Dr Kenny Chiu

We have been acting as psychology expert witnesses since 2021, providing medico-legal assessments of adolescents and adults who are involved in criminal court in the UK. We have experiences of working with various instructing parties from different parts of the UK. We take pride in our abilities to handle complex instructions and our commitment in providing timely, unbiased assessment reports. We have experiences presenting our findings and engaging in cross-examinations in Magistrates' Court and Crown Court.

We assess the following conditions: 

Dr Mazda Beigi, BSc,  MRes,  PhD,  DClinPsy, CPsychol
Languages: English, Farsi, Dari
HCPC Registration: PYL38236

Mazda completed his doctorate in Clinical Psychology at the King’s College London Institute of Psychiatry, Psychology and Neuroscience. His clinical experience extends to working with older adults, adults and young people. Mazda has experience of working therapeutically in community and inpatient settings using a range of interventions including Cognitive Behavioural Therapy, Acceptance and Commitment Therapy and Narrative Exposure Therapy. He is particularly experienced in delivering neuropsychological assessments for clients with a range of neurodegenerative disorders. Mazda's clinical interests also include working with refugees and other marginalised groups. He strongly believes in delivering interventions and assessments that are culturally sensitive and actively works towards modelling therapy to incorporate this where appropriate.

Mazda initially completed a PhD at Brunel University in collaboration with the University College London Institute of Neurology in Queen Square. Mazda's doctoral thesis concentrated on investigating cognitive processes in healthy adults and those with neurodegenerative disorders. His ongoing research activities include publications in high impact factor journals on a wide variety of neurological conditions such as movement disorders (including Parkinson’s disease) and dementia.

As well as clinical and research activities, Mazda is involved in teaching on the King's College London Clinical Psychology training programme were he also supervises trainees. Mazda also works as an associate lecturer at Goldsmiths University and occasionally provides teaching at Middlesex University and the University of Northampton. 

Dr Kenny Chiu, BSocSc,  MSc,  DClinPsy, CPsychol, FHEALanguages: English, CantoneseHCPC Registration: PYL37822
Kenny specialises in assessing young people and adults in criminal court settings. He is trained in assessing intellectual disabilities, compliance and suggestibility, as well as Autism, ADHD, Personality Disorders, and Violence Risks. Additionally, he is currently completing the Cardiff University Bond Solon Criminal Expert Certificate. 

Kenny completed his clinical training at the renowned Institute of Psychiatry, Psychology, and Neuroscience, King's College London. He has experiences working in NHS and other mental health services for youth with offending behaviours, children and adolescents with autism and/or ADHD, adults with anxiety and trauma-related disorders, adults with borderline personality disorder (BPD), and military veterans with post-traumatic stress disorder (PTSD). 

Kenny earned a distinction in an MSc in Developmental Neuroscience and Psychopathology at University College London. During his undergraduate years at the University of Hong Kong, he graduated with first class honours and was awarded the Serena-Yang Scholarship to study Experimental Psychology at Oxford University. 

Kenny is a clinical lecturer who trains clinical psychology doctoral students. He supervises student research in areas related to childhood maltreatment, antisocial behaviours, social phobia, PTSD, autism, parenting, resilience and refugee mental health. Additionally, he examines doctoral theses related to expert witness testimony, offending behaviours, and PTSD.