Margaret Walshe is Associate Professor in Trinity College Dublin, Ireland. She is also a speech and language therapist with extensive experience in dysarthria and related disorders. Her current research is focused on the amalgamation of evidence for intervention approaches in speech and swallowing disorders associated with acquired neurodegenerative disease.

Nick Miller is Emeritus Professor of Motor Speech Disorders at the University of Newcastle, UK. His internationally acclaimed research has been based on single case and small group studies through to large-scale investigatory and experimental approaches, qualitative as well as quantitative methods. He continues to be an active researcher, with particular emphasis on apraxia of speech, dysarthria and functional/psychogenic speech disorders.