Our Lead Therapists

Jennifer Warwick

Speech & Language Therapist


Jennifer Warwick photo

Since training as a speech and language therapist in 2003 Jennifer has worked across a range of health, education and charity contexts providing assessment and intervention for children and young people with neurodevelopmental disorders and complex communication needs. She has extensive experience working with children, young people and babies with Down Syndrome. Jennifer works collaboratively with parents and educators to support and empower them in developing communication and interaction skills in children and young people Jennifer volunteers as a Research Champion and Advisor for ASD and social communication disorders for the Royal College of Speech and Language Therapists. She is committed to research and best practice evidenced through completion of an MSC in Human Communication at City University, London in 2013. Jennifer has an interest in the development of social cognition in young children and is joint author of the ‘Early Sociocognitive Battery.’

I have undertaken specific training in the following assessment and therapy approaches:

  • Autism Diagnostic Observation Schedule
  • SCERTS approach
  • Picture Exchange Communication System
  • Makaton
  • Hanen - It takes two to talk and More than words
  • Management of eating and drinking difficulties in children
  • Solution focused brief therapy
  • Clinical supervision training
  • Intensive Interaction
  • Bobath for Speech and Language therapists


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Cathy Johnston

Speech & Language Therapist


Cathy Johnson photo

Cathy has 20 years’ experience as a speech and language therapist in the UK and Australia.  She has spent the past 17 years working as a paediatric speech and language therapist in the NHS providing assessment and intervention for children with varied communication needs within a range of clinical, educational or community settings. Cathy has linked with the Lejuene clinic since 2006 and her experience of working with young children and babies with Downs Syndrome has focused on collaborative working with parents and practitioners.  She has developed her specialism in early language acquisition and communication development in children under 5 years; and has particular interest in research and intervention programmes that support parents/carers and practitioners to understand communication development and the role of adults to facilitate this as part of a child’s journey to becoming a confident and competent communicator.

Cathy is Hanen-certified to deliver the It Takes Two To Talk and More Than Words Hanen parent programs and has frequently offered this therapy approach along with other parent/adult-child interaction therapy.  She is trained in Solution-Focused Brief Therapy and parent-coaching techniques and has devised and delivered training packages to children’s centres and early years settings such as maintained and PVI nurseries.   Cathy is trained to deliver the ELKLAN programs and use the Makaton signing system. She is registered with the Health Care Professionals Council (HCPC) and a member of the Royal College of Speech & Language Therapists (RCSLT).  She has worked as clinical team lead for 11 years and has extensive experience of providing clinical support and supervision. Cathy is passionate about supporting families and education settings to be aspirational and strive for the best outcomes for their children.



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Stephanie Wheen



Stephanie Wheen photo

Stephanie is a physiotherapist with 18 years experience and has been working with children and young people with disabilities since 2002. She also has a brother with Down Syndrome and has worked for 2 years for a Down Syndrome Charity so has an in-depth knowledge of Down Syndrome as well as the disability world, child health and how to help these children through exercise. She has been running her successful physio practice, Wheen Physio for Children, in Bristol since 2012 and founded Gympanzees in 2016. Steph was previously a Trustee for the Lejeune Clinic and is happy to be back supporting the Clinic by sharing her passion and knowledge with parents.



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