Meet the CBT team

Claudia ProtheroClaudia

Claudia Prothero is a BABCP accredited Cognitive Behaviour Therapist. Before setting up CBT Anglia in 2009 Claudia worked for The Priory Group for seven years as a CBT therapist after achieving a Masters in CBT and a BSc in Psychology. Claudia is an experienced CBT trainer and supervisor, having trained CBT therapists for the NHS IAPT program, and worked as a Senior Lecturer on the MSc in CBT at Anglia Ruskin University. Claudia is experienced in working with a wide range of difficulties, but especially enjoys working with children and adolescents and couples, and treating anxiety problems.


Marc CavannaMarc

Marc Cavanna is a BABCP Accredited Cognitive Behavioural Psychotherapist who joined CBT Anglia in 2010.  Marc completed his Postgraduate Diploma in Cognitive Behaviour Therapy at The Institute of Psychiatry, Kings College London. Marc also holds an Advanced Diploma and Postgraduate Certificate in Cognitive Behaviour Therapy from the University of Derby and the University of Oxford respectively. Marc currently works from both our Chelmsford and Colchester locations.

Marc also works for the NHS as part of the Improving Access to Psychological Therapy team delivering High Intensity individual CBT mainly to clients with depression and anxiety disorders. Marc previously worked for the charity Anxiety UK and The Priory Hospital. Marc has experience of working with a variety of client groups and in a range of clinical settings and has over 10 years experience working with people with mental health difficulties. Marc has experience working with both adults and adolescents. His special interest areas are obsessive compulsive disorder, health anxiety, post-traumatic stress disorder, and mood disorders.



Claire Littlejohn is a BABCP Accredited Cognitive Behavioural Therapist and registered Mental Health Nurse; she joined the CBT Anglia team in 2012.

Claire has worked for 6 years as a CBT therapist after obtaining a post graduate diploma in CBT, a first class Masters degree in Mental Health Nursing and a BSc honours degree in Psychology.

Claire spent 5 years working at The NHS 'Therapy for You' IAPT Service, she has also worked at The Priory Hospital, delivering 1-1 outpatient CBT and inpatient group therapy. She currently works for Ieso Digital Health delivering online CBT to NHS and private clients around the UK.

Claire has worked with a range of different mental health difficulties and works predominantly with depression and anxiety disorders. She has a particular interest in OCD, Social Anxiety, Panic Disorder, Trauma/ PTSD and Phobias. Claire enjoys working with adults, adolescents and older children.



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