Per Alm

Per A. Alm, Ph.D., is a researcher and teacher at the Department of Neuroscience, Speech-Language Pathology, Uppsala University, Sweden. His research focuses on understanding the mechanisms of stuttering and cluttering, with an integrative approach to brain functions and their relation to symptoms, speech motor control, psychological interactions, and background factors.

Ross Menzies

Dr. Ross Menzies is currently Associate Professor in Health Sciences at the University of Sydney. In 1991, he was appointed founding Director of the Sydney University Anxiety Disorders Clinic, a post which he has held for 20 years. He is the past NSW President, and twice National President, of the Australian Association for Cognitive Behaviour Therapy. He is a board member of the AACBT and Chair of the National Conference Committee. He was the Convenor of the 29th National Conference of the AACBT in Sydney in 2006, and is the editor of Australia's national CBT scientific journal, Behaviour Change. He has recently been appointed the Convenor and President of the 8th World Congress of Behavioural and Cognitive Psychotherapies to be held in 2016.

Katrin Neumann

Katrin Neumann is professor at the University of Bochum, Germany, and Head of the Dept. of Phoniatrics and Pediatric Audiology and of the Hearing and Cochlear Implant Center. Her research interests are, among others, disfluency disorders, in particular the fields of neuroimaging, cerebral electrophysiology and evidence-based therapies.

Marilyn Nippold

Marilyn A. Nippold, Ph.D., is Professor of Communication Disorders and Sciences at the University of Oregon where she teaches and conducts research in stuttering and language development and disorders. A Fellow of the American Speech-Language-Hearing Association (ASHA), she has published 5 books and over 100 journal articles and book chapters.

Sue O’Brian

Sue O’Brian is a speech pathologist and researcher at the Australian Stuttering Research Centre, The University of Sydney, with over 35 years experience working in the field of stuttering. Her current interests include the design and implementation of clinical trials for stuttering treatments, along with the measurement of stuttering and treatment outcomes. She has published widely in peer-reviewed journals.

Ann Packman

Professor Ann Packman is Associate Professor and Senior Research Officer at the Australian Stuttering Research Centre, The University of Sydney. She has worked for over 30 years with people who stutter and their families, as a therapist and a researcher. She has published over 100 articles in peer-reviewed journals and co-authored the book, Theoretical Issues in Stuttering. From 2007 she served a three-year term as Associate Editor for Fluency for American Journal of Speech-Language Pathology and from 2010 served a three year-term as Associate Editor for Fluency for the journal Language, Speech and Hearing Services in Schools.

Sheena Reilly

Professor Sheena Reilly is Associate Director of Clinical and Public Health Research at the Murdoch Childrens Research Institute, Professor-Director of Speech Pathology (The Royal Children’s Hospital) and Professor of Paediatric Speech Pathology (University of Melbourne). Sheena’s research focuses on speech and language difficulties in children. She leads a series of cross-disciplinary studies, focusing on understanding the epidemiology of common problems that have long-lasting effects and the social, demographic and/or family factors that explain these. Recently she was awarded $2.5 million to establish a centre for Research Excellence in Child Language. In 2011 Sheena became the first speech pathologist to be elected a Fellow of the Australian Academy of Social Sciences.

Rosalee Shenker

Rosalee C. Shenker is Founder and Executive Director of the Montreal Fluency Centre and Adjunct Professor, McGill University. She has worked with people who stutter for over 40 years, sharing her work at numerous conferences, in journals and and book chapters. Her most recent interests are in evidence-based clinical practice with young bilingual children who stutter.


Martin Sommer

Martin Sommer graduated from Aachen Medical School in 1996. After studies in Toulouse and in Bethesda he went to Goettingen, where he is consultant for Neurology and professor. His clinical and research focus is the (patho)physiology of movements. Himself stuttering, he uses imaging and neurophysiological tools to elucidate the pathophysiology of persistent stuttering. He currently serves as president of the German Stuttering Association (BVSS).

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