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Leslie J Francis
Emeritus Professor


Leslie J. Francis' research includes religious education, empirical theology, and the psychology of religion. His current publications focus on the following fields:

  • the science of clergy work-related psychological wellbeing
  • the science of cathedral studies
  • the science of congregation studies
  • the science of church school studies
  • young people's attitudes toward religious diversity

Working within the psychological tradition of personality and individual difference, he has developed a number of psychometric instruments, including:

  • The Francis Burnout Inventory (FBI)
  • The Francis Psychological Type and Emotional Temperament Scales (FPTETS)
  • The Francis Scale of Attitude toward Christianity (FSAC)
  • The New Indices of Religious Orientation (NIRO)

Geoff Lindsay
Emeritus Professor


Research Interests

  • Special educational needs and disability
  • Inclusion
  • Early identification and intervention
  • Parenting support
  • Ethics and practice of educational and health professionals
  • Educational evaluation

Matt Buttery
Honorary Associate Professor

Honorary Associate Professor in Family and Parenting Practice and Policy.

Matt Buttery is the CEO of Triple P UK and holds responsibility for the dissemination of the Triple P — Positive Parenting Program® across the UK and Ireland. He is a passionate advocate of parenting as a public health issue, and of using evidence-based practice to help families and communities develop strong, healthy relationships and resilience.

Matt has held various senior roles in the voluntary, statutory and private sectors. He has influenced and implemented health and social care policy across government and held senior positions in charities. He is a former Trustee of the National Academy for Parenting Practitioners (NAPP), and co-founded Matt has four children and has fostered for over 10 years.

Matt is working with CEDAR on research on parenting and family support and also collaborating on influencing and impact strategy

Glenn Melvin
Honorary Associate Professor

Vasiliki Totsika
Honorary Associate Professor

Dr Vaso Totsika is an Associate Professor in Intellectual Developmental Disability at the Division of Psychiatry, University College London. Vaso’s area of research is the psychology of neurodevelopmental disabilities, in particular intellectual disability and autism. Her current research focuses on early and specialist intervention support for families of children with intellectual disability, educational experiences of children with neurodevelopmental conditions, child mental health and family adaptation. Vaso publishes widely about research in intellectual and neurodevelopmental disabilities and is currently Editor in Chief of the Journal of Intellectual Disability Research. Vaso has longstanding links with CEDAR, including collaborations on several PhD projects and externally-funded research.

Harm Boer
Honorary Professor

Harm Boer is a Consultant Forensic Psychiatrist for people with learning disabilities at Coventry and Warwickshire Partnership NHS Trust. He is currently Clinical Lead for Learning Disabilities and Autism Partnership Alliance, part of the Reach Out Provider Collaborative for Adult Secure Care in the West Midlands. He is elected member of the Intellectual Disability Faculty and co-opted member of the Forensic Faculty of the Royal College of Psychiatrists. He was awarded a PhD at the University of Maastricht in November 2004 and has research interests in behavioural phenotypes and genetic syndromes including Prader-Will syndrome, and in forensic psychiatry for people with learning diasability.

Seamus Hegarty
Honorary Professor

Seamus Hegarty is Chair of the International Association for the Evaluation of Educational Achievement (IEA). He served as Director of the National Foundation for Educational Research in England and Wales for twelve years until his retirement in 2005. He chairs the Education for All working group within the UNESCO UK National Commission. He serves on the National Council for Special Education in Ireland where he chairs the Research and Communication working group. He has advised UNESCO and other international bodies on special needs issues for over 20 years.

Ashok Roy
Honorary Professor

Professor Ashok Roy is a Consultant Psychiatrist for people with learning disabilities in Coventry and Warwickshire Partnership NHS Trust. He is currently an Associate Medical Director for the Trust and Immediate past Chair of the Intellectual Disability Faculty at the Royal College of Psychiatrists. He co-chairs the Learning Disability Professional Senate and is Clinical Advisor for Learning Disabilities and Autism to Health Education England. He chairs the Birmingham Autism and ADHD Partnership Board and is a trustee for BILD and Autism West Midlands.

Bruce Tonge
Honorary Professor

Foundation Head, School of Psychology and Psychiatry and Head, Discipline of Psychological Medicine, Monash University. He is also Senior Clinical Advisor of the Mental Health Program of Southern Health at Monash Medical Centre in Melbourne, Australia. He has a distinguished record of teaching and research in child psychiatry. He established the internationally recognised Monash University Centre for Developmental Psychiatry and Psychology. He has research and teaching interests in the area of developmental psychiatry with a particular focus in the areas of Autism Spectrum Disorders and behavioural and emotional disturbance in children and adolescents with intellectual disability and neurodevelopmental disorders, and treatment outcome studies in childhood anxiety and depressive disorders.

Sarah Croom
Honorary Research Fellow

Sarah works as a Senior Counselling Psychologist within the NHS. She has dedicated her career to working within community learning disability services, advocating for systemic change and environmental supports. Sarah developed a mindfulness group for adults with learning disabilities and additional mental health needs, which was the focus of her doctoral research. This research has been published in the British Journal of Learning Disabilities. Sarah describes herself as a feminist and has particular interests in Acceptance Commitment Therapy, Health At Every Size, body autonomy and body neutrality, raising awareness of and challenging societal expectations, norms, and gender-based discrimination and shame.

Sam Larcombe
Honorary Research Fellow

Sam is a Senior Clinical Psychologist within Coventry and Warwickshire Partnership NHS Trust. He specialises as a clinician working with adults with an intellectual disability, including adults who may additionally be on the autism spectrum. Sam has interests around evolving services for these service user groups through research on psychological interventions, trauma-informed care, and increased use of technology. Notably, he is currently serving as a principal investigator on the ongoing Trauma-AID trial. This is a clinical trial investigating the efficacy of EMDR therapy for adults with an intellectual disability who have been impacted by trauma. As an active NHS clinician Sam is also passionate about making research as applicable and beneficial as possible to frontline clinical services and service users.  

Darren Bowring
Associate Fellow

Freddy Jackson Brown
Associate Fellow

Dr Jackson Brown is a child clinical psychologist active in research impact and applied research. He has research and professional practice journal publications and writes practical guides for parents and professionals.

Ashley Liew
Associate Fellow

Ashley trained in both Paediatrics and Child & Adolescent Psychiatry and has an MSc in Clinical Neuropsychiatry. He is a Consultant Paediatric Neuropsychiatrist who previously worked in CAMHS-LD and was Clinical Lead for Research and Digital Technology. He currently works in a Tertiary Complex Neurodevelopmental service at the Evelina London Children’s Hospital, as well as National & Specialist CAMHS services at the South London and Maudsley NHS Foundation Trust. His clinical specialism is in neurodevelopmental disorders (Intellectual Disabilities, Autism, ADHD) particularly in the context of neurological disease (eg. epilepsy, neuroinflammatory disorders, brain injuries) and genetic syndromes. He is actively involved in clinical research, medical education and holds several national leadership and clinical advisor roles.

Richard Watkins
Associate Fellow

Dr Richard Watkins is a school improvement adviser for the Regional School Effectiveness and Improvement Service for North Wales (GwE). Richard’s work and research interests include science education and the application of evidence-based teaching strategies in schools. He has published a variety of articles on science education and reading interventions, together with curriculum and assessment resources for Welsh Government. In collaboration with CEDAR, Richard coordinates several research projects focused on the application and impact of evidence-based reading and numeracy interventions in schools across North Wales.