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7-10 July 2025

Biographies

Charlotte Xerri EMT/EMCI-ATP SD

BA (hons) Music, MA (vocal performance), PCGE, LLCM (TD)

Estill Master Trainer / Estill Mentor & Course Instructor with Advanced Testing Privileges & Service Distinction

Charlotte enjoys sharing her many years of performance, teaching and training experience with voice and the Estill Model working with singers and musical directors as well as voice/singing teachers from the major institutions and vocal health professionals.

Alongside her husband Marcel, they are Directors of Voice Your Potential® Ltd producing voice related training & events. These include annual Level I & II courses, in London and internationally in both Poland and Finland, Estill Figure Proficiency (EFP) and Estill Master Trainer (EMT) Certification Pathways and other courses attracting participants from the UK, Europe and globally. Charlotte is also available for ONE2ONE coaching sessions in central London and online video coaching.

Charlotte has Advanced Testing Privileges to examine for Estill Voice International. As President of the Estill International Certification Advisory Board her contribution to the Estill Voice Training® Certification Manual led to updates in both terminology and procedures.

She’s had a varied career in performance and music/vocal education. Performing professionally in opera and extensively as a session singer and an oratorio soloist.

As a voice educator, clients include CPL Productions for Sky TV, Native/19 Entertainment, Map Entertainment, Jimmy Hogarth/Kid Gloves, Royal Bank of Scotland, GlaxoSmithKline, Goldsmiths College London, Brighton University, Urdang Academy & Toastmasters, BRICTT (Brighton Academy of Contemporary Theatre Training), The World Voice Expo.I & II in Poland, Chichester Conservatoire, & NorthONE2ONE bookingampton University.

Always eager to build upon our understanding of vocal function, Charlotte has collaborated both in the UK and abroad with speech & Language specialists including Sue Jones, Consultant SLT in Professional Voice Rehabilitation and author of Laryngeal Endoscopy & Voice Therapy A Clinical Guide.

As part of research teams Charlotte took part in exploring new and exciting research using state of the art technology at The Ohio State University USA and at Manchester University NHS Foundation Trust UK, continuing to build upon our understanding of vocal function.

Tanja Torvikoski EMT

Tanja comes from Finland where she graduated from the Oulu University of Applied Sciences. She now works at the Univeristy as a teacher in voice, voice didactics and team manager.

She is a singer-songwriter, recording and performing artist, a trained vocal coach and a trained Logotherapy coach.

Tanja graduated with a bachelor's degree in Pop and Jazz Music in 2011, Advanced Instrumental Studies in Music in 2016 and completed her Master's degree in Artistic Development in 2022.

She has worked as a recording and performing artist, studio voice and vocal coach in Finland for over 16 years. She is currently the vice chairman of FINATS (Finnish Association of Teachers of Singing) – established to develop the Finnish voice pedagogy.

Tanja is also producing her own Estill Level I&II courses in Finland, inviting her Course Instructor colleagues to join her in both Oulu and Helsinki.

Tanja is an Estill Master Trainer

Maple Yu EMT

Maple is a vocal coach based in Manchester. Originally from Hong Kong, she was privileged to receive a scholarship that enabled her to pursue her musical journey as a classical vocal student at Chetham's School of Music in Manchester. She graduated with a Bachelor of Music (Performance) in Vocal Studies from the Royal Conservatoire of Scotland and later completed her postgraduate education at the Royal Welsh College of Music and Drama, earning a Postgraduate Diploma in Music.

During her undergraduate studies, Maple came across Estill Voice Training during a masterclass and became fascinated by the model. In 2024, she became certified as an Estill Master Trainer under the mentorship of Charlotte Xerri.

Maple is fluent in Cantonese and English, and she is also proficient in Mandarin. She is dedicated to using her knowledge of the Estill model to equip her clients with the tools and understanding needed to use their voices in all genres, while supporting each individual's unique expression in their artistic choices.

Maple is an Estill Master Trainer

Tom Reade EMT

Tom Elliot Reade graduated from the Royal Academy of Music in Musical Theatre and has been working on the West End and internationally as an actor-musician, singer and actor in shows such as The Commitments (UK & Ireland Tour), Judy! (Arts Theatre West End) and The Choir of Man (European and Australian tours).

Alongside this Tom is a working vocal coach and musical director at the Royal Academy of Music, Italia Conti, London Studio Centre and Mountview as well as privately from London to local and international clients.

He also works as a musical director with credits including NewsRevue (Canal Cafe Theatre), Putting it Together (Stephen Sondheim) and Company (Stephen Sondheim) as well as providing workshops and masterclasses through his company Permission to Play.

Tom is an Estill Master Trainer

Jessica Friend EMT-C

Jessica Friend is a singing coach and creative, based in South West London. Originally from the North Cotswolds, she has a background in both classical and musical theatre, training on the Vocal and Operatic BMus at Royal Birmingham Conservatoire and the Musical Theatre MA at Mountview.

She is currently a singing tutor at Italia Conti and Mountview, alongside her home studio where she runs a teaching agency in London.

As a performer, Jessica is currently playing the role of Queen in The Light Princess with LAS Theatre at Stockton Arts Centre and UK Tour.

Her recent credits include Spot's Birthday Party (UK Tour & Singapore Fest), Three Little Pigs (UK Tour), Yoghurt Is Not Sexy (Camden People’s Theatre & Arcola Theatre).

Jessica is an Estill Master Trainer Candidate (EMT-C) on Phase 2 of
Voice Your Potentials Certification Pathway with Mentor Charlotte Xerri.

Chloe Carroll EFP

Chloe began her professional training at Guildford School of Acting where she received a Diploma in Musical Theatre. She was then awarded a full scholarship to train at Mountview Academy of Theatre Arts, where she received a BA (Hons) in Musical Theatre.

Her roles whilst training included Ensemble in Grease, Melba Snyder in Pal Joey, Carmen Bernstein in Curtains, Judge Roan in Parade, Adriana in The Comedy of Errors, Jessie Frost in The Bright and Bold Design, Tzeitel in Fiddler on The Roof and Sour Kangaroo in Seussical The Musical.

Now Bournemouth based, Chloe has worked as both a singing teacher and Musical Director for the last 8 years, working on musicals including Shrek, Peter Pan, Grease, School of Rock and Legally Blonde. Chloe is currently the Head of Music at Swish Theatre Schools.

Chloe has an Estill Figure Proficiency Certificate (EFP) & is on Phase 1 of
Voice Your Potentials Certification Pathway with Mentor Charlotte Xerri.

Dylan Jones EFP

Dylan is an actor and singing teacher originally from Swansea, South Wales. He graduated from Chichester University on their Musical Theatre Performance course in 2021 and has since built a base teaching in areas around Surrey, West Sussex and Hampshire.

Dylan has an Estill Figure Proficiency Certificate (EFP) & is on Phase 1 of
Voice Your Potentials Certification Pathway with Mentor Charlotte Xerri

Mountview Academy of Theatre Arts LONDON