Speakers
& Hosts
.png)
Jessie Roux (The Traitors)
Jessie first came to national attention as a Faithful on Series 4of The Traitors. As the first contestant in the show’s history to openly have a stammer, Jessie brought much needed visibility to an underrepresented community. Qualified in Level 2 British Sign Language, Jessie is passionate about inclusion, accessibility, and helping people connect authentically.
.png)
Scroobius Pip
Pip is an actor and podcaster as well as a former spoken word poet and hip hop recording artist. He manages his own record label, Speech Development Records and hosted the award-winning radio show 'The Beatdown' on XFM in the late 2000s.Pip currently hosts the 'Distraction Pieces' podcast. Acting roles include French Bill in the BBC hit series Taboo (2017) and Anson Ash in the NBC series Debris. Pip has been a STAMMA Patron since 2018.
.png)
Nataliia Richardson (The Great British Bake Off)
Nataliia is a baker from Series 16 of The Great British Bake Off. Originally from Ukraine, she moved to the UK in 2021 and now lives in Yorkshire with her husband Harry, their daughter Francesca, and their Ukrainian rescue dog, Aria.
Her baking blends Ukrainian tradition with British flavours, with many recipes inspired by her grandmother and childhood memories. Following the outbreak of war in Ukraine, Nataliia has supported her country through various baking initiatives. Since Bake Off, she has been sharing her story and recipes more widely, and is now developing her own patisserie brand. Through her work, she uses baking as a way to connect cultures, bring comfort and celebrate resilience, while continuing to support Ukraine.
.png)
Lewis Tombs (Call the bailiffs)
Lewis is an enforcement agent from Birmingham who is currently taking part in the TV documentary series ‘Call the Bailiffs'. After studying Criminology with Law at University, he started work as a bailiff. After 10 years in the industry, he took the plunge and set up his own enforcement agency. His work includes visiting companies and individuals to chase unpaid debts or fines. He is proud to represent people who stammer on TV and is keen to raise awareness in any way he can, especially as somebody in a public-facing, high pressure job role.
.png)
Graeme Pickering
Graeme works with brands and production companies to elevate their productions through choreography, direction and casting, as well as being the founder of Stammers Matter. He has choreographed sell-out productions across the UK, while working as casting director for Celebrity Cruises, TCB Group and lots more. He is hugely passionate about representation in casting and believes every voice deserves to be heard.
.png)
Shaomei Wu
Shaomei says, "I am a person who stutters, a former tech lead at Facebook AI, and the founder and CEO of AImpower.org, a tech nonprofit that researches and co-develops empowering technologies for, with, and by people who stutter.
‘As a technical expert and stuttering advocate, I have published more than 10 research articles on stuttering and technology. I have spoken about how to advance disfluency-friendly speech and communication technologies at events such as the American Association for Advancements in Science Annual Meeting, ACM Computer Human Interaction Conference, InterSpeech conference, and the National Stuttering Association’s Annual Conference".

Toju Duke
Recognisedas one of the top women in AI, Toju is a popular speaker, author, thoughtleader, entrepreneur and advisor on AI with 20 years experience spanning across Advertising, Retail, Not-For Profit and Tech. Toju worked at Google for 10 years, spending the last three as a Programme Manager on Responsible AI, leading Google’s early frontier AI models.
Toju is the founder of Diverse AI, a community interest organisation with a mission to support and champion underrepresented groups to build a diverse and inclusive AI future through research, education and communities. Author of the books 'Building Responsible AI Algorithms' and “Responsible AI in Practice', Toju participates in AI policy development and global governmental events, and advises governments on AI strategies and AI sovereignty. She is a member of the Thematic Working Group of 'EU Women in Digital', working to bridge the gender gap for women in tech within the EU member states. She is also a member of the Council of International Schools' task force for emerging technologies, building ethical AI guidelines for over 1,500 schools across 122 countries.
.png)
Kirsten Howells
Kirsten says, "I stammer, I talk about stammering for a living, and I’m endlessly fascinated by the varied and thoughtful ways people navigate it.
‘I’m a speech & language therapist, a longtime STAMMA fan (volunteer → staff → support-service and workshop wrangler), and I get a front-row seat to life with a stammer from a range of perspectives every day. My job involves working with and learning from teams of brilliant, dedicated volunteers. Together we try to make a difference for people who stammer".
.png)
Caryn Herring
Caryn says, "I am a person who stutters, a speech-language pathologist and the Executive Director of Friends: The National Association of Young People Who Stutter, a U.S.-based nonprofit organisation that provides support, education and community to people who stutter, their families and professionals.
‘I also serve as co-PI on the NSF-funded HeardAI project, which is working to make voice AI technology accessible to all. My additional research interests include voluntary stuttering, desensitisation and reducing the adverse impact of stuttering. I regularly present at national and international conferences, have taught and clinically supervised students at multiple universities, and have co-hosted the StutterTalk podcast since 2010”.
.png)
Jack Nicholas
Jack says, "I stammer, regularly revisiting my five stages of dysfluency: anger, denial, avoidance, rebellion and intermittent acceptance. I volunteer on STAMMA's helpline and employment services, the book review team, and a group reimagining 'disclosure'.
‘I also write, often questioning perceptions of fluency. I am a slow trail runner, slow thinker and slow reader who still tries to talk too quickly. I believe in the magic of words and our right to use them on our own terms, in our own time".
Workshop hosts
Adam Giannelli
Adam is a person who stutters; the author of ‘Tremulous Hinge’ (University of Iowa Press, 2017), winner of the Iowa Poetry Prize; and an Assistant Professor of English at the United States Naval Academy. He often writes about stuttering and deeply values his involvement in stuttering communities.
Aidan Sank
Aidan is the co-Founder and Executive Director of SPACE, a Canadian stuttering nonprofit. He has been collaborating with the stuttering community as an ally for almost 15 years, and worked for over a decade in New York as a theatre maker and arts educator.
Andrew Janes
Andrew is an archivist who, as a manager, mentor and teacher, enjoys supporting the professional development of people in his field. He is a person who stammers, a trustee of 50 Million Voices, and a long-term member of STAMMA and of the LGBTQ+ stuttering network Passing Twice.
Angélica Bernabé
Angélica is a person who stutters and the director of Centro Especializado en Tartamudez (Specialised Center for Stuttering). She is a speech-language pathologist currently pursuing a PhD at Florida State University under the mentorship of Dr. Constantino. She facilitates monthly Spanish-language support groups for parents through FRIENDS, a U.S.-based organisation for kids who stutter.
Barbara Moseley Harris
Barbara is a 'retired' specialist Speech and Language Therapist who is now studying part-time at Birmingham City University, researching views of adults who stammer about intervention(s) and support. As someone who does not stammer, she chooses to work with support from a group of advisors who all live with stammering.
Ben Collier
Sgt Ben Collier is a Registered Nurse with the Royal Army Medical Service, where he is a teacher and instructor.
Ben says, “I am passionate about tackling the stigma, prejudices and discrimination people who stammer experience, as well as making the military, healthcare careers and patient-focused care more inclusive and supportive”.
Ben Farmer
Ben is a person who stammers who works as a Trainee Clinical Psychologist at the University of Surrey. He works across multiple settings in the NHS. Ben has experience designing and co-facilitating the self compassion course at City Lit and supporting the Acceptance and Commitment Therapy courses. He has also conducted two research projects into the benefits of self-compassion for people who stammer.
Bevin Murphy
Bevin is a person who stutters and curator of the blog 'My Stutter and I', where she shares her experiences and poetry about being a person who stutters. She believes in the power of self-acceptance, honest storytelling, and creating space for stuttering voices to be heard, valued and celebrated exactly as they are.
Bhupinder Purewal
Bhupinder is a Senior Officer in the Civil Service within the education sector. She runs the Coventry Stammerers group and co-runs the STAMMA Young People’s Network. She also has a vlog on YouTube and TikTok called ‘The Stammering Life’, where she shares her experience of being a person who stammers.
Bob Adams
Bob is a highly experienced public speaker and has addressed a wide range of people, from offenders to business leaders, in council chambers to theatre stages.
Bob is a qualified Performance Coach, Life Coach and is trained in Solution Focused Therapy, Acceptance & Commitment Therapy and Neuro-Linguistic Programming. He has been leading the Doncaster support group for over 20 years.
Cameron Raynes
Cameron has stuttered since he could talk. He has a PhD on the moral subtext of Aboriginal oral history and teaches creative writing at Adelaide University, where he is also part of a small research team looking at improv as the basis for therapy for young people who stutter.
Carolyn Cheasman
Carolyn is a person who stammers who has worked as a Speech and Language Therapist (SLT) with adults who stammer since 1979. She is a mindfulness teacher and has developed mindfulness courses for people who stammer and SLTs. She also teaches on an Acceptance and Commitment course for people who stammer, and teaches SLTs how to use this approach with clients.
Christine Simpson
Christine (she/her) is from London and is a former STAMMA trustee. She is an admin of the Women who Stammer Facebook group and co-coordinator of the Women's Stammer Online support group. She enjoys participating in the online stammering community, particularly supporting women who stammer.
Claire Norman-Maillet
Claire is a counter-fraud expert and academic, as well as a seasoned international keynote speaker covering fraud, disability and inclusion.
In 2014, Claire also founded STUC (Stammerers Through University Consultancy). Claire has recently started combining her passions to look at the impact of stammering on fraud controls and vice versa.
Claire Tupling
Claire lives in Derby and has worked in education. She is a member of the Women who Stammer online support group, and volunteers with the STAMMA Minecraft club for young people who stammer.
Dawid Tomaszewski
Dawid is passionate about helping people who stammer. He has appeared on television and radio over 100 times, advocating for greater awareness of stammering. His YouTube channel about stammering has over 1800 subscribers.
Debbie Mason
Debbie is a Speech and Language Therapist who has spent 30 years working with children and adults who stammer. She has always been fascinated by what allows people to be authentic and reach their potential and what gets in the way of this. She is trained in Internal Family Systems, Hypnotherapy, Compassionate Inquiry, Acceptance and Commitment Therapy and Neuro-Linguistic programming.
Femke De Smit
Femke is a stuttering specialist from The Netherlands, the co-owner of private practice Logopediepraktijk Tilburg, and founder of a stuttering team consisting of four specialised Speech and Language Therapists (SLTs). She co-founded Stotterconnect, an organisation dedicated to Camp Dream. Speak. Live and the training of SLTs. She is a stammering ally.
Geneviève Lamoureux
Geneviève is a person who stutters and PhD candidate in speech-language therapy at Université de Montréal researching stigma reduction through media representation. As part of her PhD, she co-produced 'We Are the Audience' with stuttering organisation SPACE. She also co-founded Voice and Media, a research-creation initiative on stuttering representation.
Gina Waggott
Gina is a writer and former BBC professional with a background spanning broadcasting, journalism and disability advocacy. She is a person who stammers, and is active in several nonprofits serving the global stuttering community and its allies. She is currently the Finance and Operations Executive at 50 Million Voices.
Hanan Hurwitz
Hanan is an electronics engineer, working presently as a Quality and Regulatory Management Consultant. He is a person who stutters, has been researching stuttering for many years, and is author of the book 'Stuttering: from Shame and Anxiety to Confident Authenticity'. His current primary interests are equanimity, blues and stuttering.
Hannah Tovey
TBC
Hilary Liddle
Hilary is the lead Speech and Language Therapist at Liverpool’s Willy Russell Centre for Children and Adults who Stammer. She has a special interest in therapy and self-help groups for people who stammer, and she has played a key role in organising three previous STAMMA/BSA conferences.
Ian Trevor
Ian is a trustee of Empowering Voices, a UK charity that helps stammerers control their speech using a costal breathing technique. He says, "I have used and taught this technique for over 20 years. I am a supporter of STAMMA, serving as an occasional panel member at stammering awareness events".
Jakub Bojdol
Jakub is a teacher who has been working at an independent school for over six years. He holds an undergraduate degree in mathematics from the University of Cambridge and has been pursuing a degree in Psychology. Jakub hopes to transform the way that we view stammering.
Jane Powell
Jane is the CEO of STAMMA. Before joining STAMMA she founded the organisation CALM (Campaign Against Living Miserably).
Joan Wood
TBC
Joeri Van Ormondt
Joeri is a Speech and Language Therapist (SLT) and stuttering specialist from The Netherlands. He owns a private practice, De Stotterpraktijk, specialised in stuttering and cluttering. He is a person who stutters, a RESTART-DCM-trainer, CESS-board member and ESS-teacher/coach. He co-founded Stotterconnect, an organisation dedicated to Camp Dream. Speak. Live, and the training of SLTs.
Kristel Kubart
Kristel is a passionate speech-language pathologist who stutters and who has cerebral palsy. She works with clients who stutter in a school setting and in private practice. She has presented workshops on stuttering affirming therapy techniques nationally and internationally, published research on stuttering, and has a chapter published in the book, 'Stammering Pride & Prejudice'.
Liam McLaughlin
Liam McLaughlin is a dance artist from New York whose artistic practice roots itself in 'stutter/dancing', a movement exploration that weaves the embodied experience of stuttering into choreographic and pedagogical frameworks.
By utilising stuttering's unruliness, he aims to disrupt societal expectations around efficiency, communication and clarity that embed themselves into everyday life.
Luke Wyland
Luke is an interdisciplinary artist and musician based in Portland, Oregon. As a person who stutters, his practice is rooted in the rich terrain of speech diversity. In collaboration with the nonprofit SPACE, he curates the Library of Dysfluent Voices, an archive that reimagines stuttering as a generative, expressive mode of communication.
Marilena Eleftheriou
Marilena (they/them) says, “Attending my first stammering support group in 2019 propelled me into my stuttering acceptance journey. Since then I’ve volunteered with STAMMA’s helpline and conducted research into the neuroscience of stuttering at UCL’s Speech Lab. I also run in-person support sessions for women and non-binary people who stammer in London".
Michael Wright
Michael transformed his life through the Starfish Project, moving from speech avoidance to advocacy. As a trustee for Empowering Voices, he helps others ‘tame’ their stammers. Michael co-founded the STAMMA Nuclear Network and the Stand Up to Stammering Facebook community, which empowers hundreds through speaking challenges and supportive live videos.
Mike Grant
Mike runs an accountancy practice in Bristol with his two brothers, which has helped hundreds of small and medium-sized businesses with their finances. As a trustee of Empowering Voices, he is passionate about helping people who stammer. In his spare time, he writes and performs electronic music.
Pamela Mertz
Pamela is from New York and hosts the long-running blog ‘Make Room For The Stuttering’. She also hosts and produces a podcast exclusively for women called ‘Women Who Stutter: Our Stories’, which she created in 2010. Pamela has interviewed women who stutter from all corners of the world.
Patrick Campbell
Patrick is a stammerer and researcher. He has collaborated with stammering artists, activists and therapists on a variety of projects.
Patrick and Sam are founder members of Stuttering Commons. Together with Chris Constantino, Patrick and Sam co-edited Stammering Pride and Prejudice: Difference not Defect in 2019 and are working on a sequel.
Sam Simpson
Sam is a Speech and Language Therapist and stammering ally. She has a particular interest in disability studies, stammering activism and what stammering can teach us about ourselves and the world. She recently co-developed a stammering-affirming framework for speech and language therapy practice, culminating in the app 'Reflect'.
Sarah Caughter
Sarah is a specialist therapist at the Michael Palin Centre. She works with children and their families to support them to be confident communicators whilst stammering. She has a particular interest in using Cognitive Behavioural Therapy and in building confidence and resilience in children who stammer.
Shane White
Shane says, “Music gave me the voice that I previously found hard to find. Since the age of 4, I have wanted to get across opinions and views verbally, but a speech impediment prevented me from doing this. Stammering was a frustrating daily occurrence. But with years of speech therapy appointments, I have been able to significantly control my speech”.
Sharon Peschke
Sharon is a Speech and Language Therapist and person who stutters. She has been involved in theatre from a young age, where creative practice shaped her communication skills and reduced stuttering-related anxiety. In her master’s degree, she investigates improvisation as a therapeutic approach for children who stutter.
Sipho Eric Ndlovu
Sipho is a West Midlands-based performance poet whose work blends experimental spoken word with themes of heritage, identity and social justice. As a workshop facilitator, he creates inclusive, youth-focused spaces that nurture confidence, craft and creative expression across schools, communities and arts organisations.
Stéphanie Gobbo
Stéphanie is a French Speech and Language Therapist. She discovered improvisational theatre during her studies at the University of Brussels. She is one of the founders of ‘ImproTour’, a road trip through France and Switzerland, during which she had fun offering improv workshops for people who stutter.
Tash Bronson
Tash works in fundraising at a charity. She’s also set up an art workshop called ‘My Happy Place’ and co-leads the STAMMA Young People’s Network. Tash says, “Art is a great passion of mine and I love to see how people express themselves differently when given the opportunity to do so”.
Tea Falade
Tea is a trainee coaching psychologist. Having grown up with a stammer, she never imagined there could be positives in her experience until discovering the power of character strengths and strengths spotting. She is passionate about helping people who stammer recognise their strengths and enhance wellbeing.
Trish Chilton
Trish is curious, loves storytelling and learning how to stop being frightened to touch worms while gardening! Among other things, Trish is a Speech and Language Therapist and enjoys sharing stammering affirmative practice with the team she supports and students at the university local to where she lives.
STAMMAFest is STAMMA's biennial conference.
We’re the UK’s national charity for people who stammer. We exist to create a world where there is space for people who stammer.
We value and celebrate community and fight to remove barriers facing our community by igniting systemic change and campaigning for the rights of people who stammer.
For queries, email stammafest@stamma.org or ring 0808 802 0002 Mon-Thurs, 10am-2pm or 4pm-8pm.
© 2025 STAMMA, British Stammering Association trading as STAMMA, reg. charity no. 1089967/SC038866, reg. company no. 04297778 (England & Wales).
Community
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros elementum tristique. Duis cursus, mi quis viverra ornare, eros dolor interdum nulla, ut commodo diam libero vitae erat. Aenean faucibus nibh et justo cursus id rutrum lorem imperdiet. Nunc ut sem vitae risus tristique posuere.