Carla Di Domenicantonio is a registered speech-language pathologist in the province of Ontario, Canada who practiced exclusively in the field of stuttering at a large teaching hospital in Hamilton for 20 years, working with both children and adults. She transitioned to private practice in 2006, opening an office in Burlington in 2009 where stuttering continues to be her primary focus. Carla is a Clinical Faculty member at the School of Communicative Sciences and Disorders, University of Western Ontario (London), where she trains and supervises graduate students in speech-language pathology within the context of a yearly intensive stuttering therapy camp for children, adolescents and adults. She is a Canadian representative for the International Cluttering Association. Carla has given workshops and made presentations on the subject of stuttering and cluttering at various professional conferences and events, and regularly consults with other speech-language pathologists in her community.

Rosalee Shenker is Founder and Executive Director of the Montreal Fluency Centre. She has specialized in stuttering for over 40 years, choosing during the past 20 years to focus on treatment of children. As Adjunct Professor at McGill University, School of Communication Sciences and Disorders, she taught the graduate course in Stuttering until her retirement from that position a few years ago. As a founding member of the Lidcombe Program Training Consortium she coordinates clinical training in North America and has provided presentations, workshops and mentoring to over 2,000 clinicians in Canada, the United States, and Europe. Rosalee has published in peer-reviewed journals and contributed chapters on stuttering to various textbooks. Her most recent work involves the treatment of bilingual children who stutter.