Guillaume is an MD in medical genetics and PhD student at the Paris Brain Institute, working mostly in neurodegenerative disorders. Using nanopore sequencing, he has sequenced more than a hundred early- onset and familial Parkinson's disease patients in order to identify new PD genes during his master's degree at the Center for Alzheimer's and related dementia at NIH in 2023. Guillaume is also interested in medical and research ethics having obtained a related master's degree at the University of Paris-Saclay in 2022.