Rosie Quayle

BSc Speech Science(Hons) · Cert. MRCSLT · PG Dip AVT · LSLS Cert. AVT®

Rosie has more than 15 years’ experience as a certified Auditory-Verbal practitioner, including senior clinical leadership and quality-assurance roles at Auditory Verbal UK. She trains and lectures internationally, mentors professionals working towards LSLS certification and has contributed to specialist Auditory- Verbal Therapy textbooks.

She is also trained in PROMPT and was awarded a Churchill Fellowship in 2015, which enabled her to visit and study practice in leading Auditory-Verbal centres in Australia and New Zealand.

Rosie continues to work directly with children and families through her independent practice near Bicester. Within Auditory Pathways, she co-leads the Advanced Training Course and brings extensive expertise in clinical reasoning, professional mentoring and certification support.

Estelle Gerrett

B.Ed (Hons) · Adv PG Dip HI · LSLS Cert. AVT®

Estelle brings more than 30 years’ experience in hearing loss, family-centred practice and Auditory-Verbal Therapy. Her specialist career began after her own son became profoundly deaf following bacterial meningitis, leading her to further study in hearing loss and ultimately to certification as an Auditory-Verbal Therapist.

She spent 14 years at The Hearing House in New Zealand, including more than nine years as Clinical Manager, where she supported families, developed practitioners and contributed to intensive family programmes. She later joined Auditory Verbal UK, working across clinical practice, parent programmes and professional training.

Estelle also compiled Voices of Hope, sharing families’ experiences of supporting deaf children. Within Auditory Pathways, she co-leads the Advanced Training Course and brings particular expertise in family-centred practice, parent coaching and practitioner development.

Louise Ashton

M.Communication Pathology · Cert. MRCSLT · PG Dip AVT · LSLS Cert. AVT®

Louise brings more than 20 years’ experience across South Africa and the UK, including NHS practice and senior clinical, training and strategic roles at Auditory Verbal UK. As Training Lead from 2012, she helped develop and deliver accredited professional training and mentoring for practitioners across the UK and internationally.

She continues to work directly with children and families through her private practice at the Johannesburg Cochlear Implant Centre, while also contributing to university teaching, professional mentoring and workforce development. Louise has contributed chapters to leading Auditory-Verbal Therapy textbooks.

She co-leads the Rehabilitation Task Team of the South African Cochlear Implant Group and is a co-founder of Re Mamela (“We are Listening), a South African initiative focused on developing locally relevant training, mentoring and professional collaboration in hearing rehabilitation across the lifespan.

Within Auditory Pathways, Louise leads the Listening Support Series and Auditory Essentials and supports the coherence and development of all three training pathways.

Mariana Garcia del Corro de Helbig

MA · CED · LSLS Cert AVEd®

Mariana brings more than 20 years’ experience across early intervention, Auditory-Verbal education, parent guidance, clinical practice, professional training and mentoring in Latin America, Europe and the wider international community.

She co-founded Escuchar sin Límites (“Listening Without Limits”), a Spanish-language not-for-profit initiative providing information and professional resources related to hearing loss and Auditory-Verbal practice. She has contributed to published work on deaf multilingual learners and has extensive experience supporting multilingual families and professionals.

Mariana has also served on the AG Bell Academy Board of Directors, contributing to international Listening and Spoken Language Certified Auditory-Verbal Practitioner (LSLS Cert AVEd®/LSLS Cert. AVT®) certification standards. She now works as an Auditory-Verbal practitioner at the Moog Center for Deaf Education in St. Louis, Missouri, USA.

Within Auditory Pathways, Mariana leads the Trainer and Mentoring Pathway, supporting experienced practitioners to develop the skills needed to train, mentor and supervise others.