INSERM Research Director, has authored or co-authored over 300 professional publications in the field of neurobiology, most of which are on Parkinson's disease and related disorders. Listed among of the most cited neuroscientists, he is known for his work on the compensatory mechanisms that mask the progression Parkinson's disease, the pathophysiology of levodopa-induced dyskinesia, the intimate mechanisms of cell death in Parkinson’s disease, the modelling of disease progression and the development of new strategies to alleviate symptoms and/or to slow disease progression. Bezard has funded in 2010, and headed until 2020, a CNRS research unit located in Bordeaux, the Institute of Neurodegenerative Diseases, which features preclinical and clinical researchers working towards development of therapeutic solutions. He is also a Visiting Professor at the China Academy of Medical Sciences (Beijing, China) where he has set-up and manages a non-human primate facility dedicated to Movement Disorders.