Jorik Nonnekes is a consultant in rehabilitation medicine and associate professor at the Radboud University Medical Centre, Nijmegen, the Netherlands. Both his clinical and scientific work is dedicated to gait and balance impairments in neurological diseases, with specific emphasis on gait impairments in Parkinson’s disease, rare and inherited movement disorders, and upper motor neuron lesions (e.g. stroke). Dr. Nonnekes leads his own research group and has published more than 120 papers in international peer-reviewed journals.