Marie-Christine holds a MA in Linguistics (1985), certified as a Speech-Language Pathologist (1989), and finished her PhD in Medical Sciences (1997). From 1985 to 1994 she worked as a clinical researcher in stuttering at the University Medical Centre St Radboud Nijmegen, NL, and specialised as a Fluency Expert. In 1994 she moved to Erasmus University Medical Centre, Sophia's Children's Hospital, Rotterdam, NL. Shecombines academic clinical work and speech and language research. Her areas of clinical expertise are stutteringin pre-schoolers and speech sound disorders in children. Her research is focused on treatment evaluation. She is an Associate Editor of the Journal ofFluency Disorders.