Jacqueline Leybaert is professor at the Université Libre de Bruxelles (ULB). She is an expert in the study of language development in children with hearing impairment as well as on research in perceptual processing of visual (lipreading), auditory, and audio-visual stimuli and their integration in children and adults.

Jacqueline Leybaert is a supervisor of the research projects 5. Temporal course of auditory, labial, and manual signals in Cued Speech perception and 13. Spelling ability and associated skills.