Dr. Rossignol went to medical school at the Université de Sherbrooke (2009-2013), and then completed a residency in Medical Genetics and Genomics at the Université de Montréal (2013-2018). He did his fellowship in both Medical Biochemical Genetics (2018-2019) and Clinical Biochemical Genetics (2019-2020) at the National Human Genome Research Institute (NHGRI) training program. Since 2020, he is a staff clinician for the Undiagnosed Diseases Program as well as the principal investigator for the GNE myopathy studies in the Human Biochemical Genetics section at NHGRI. He is also a co-principal investigator for the ongoing multicenter clinical trial of ManNAc in GNE myopathy (NN109 MAGiNE study). Dr. Rossignol also teaches the Inborn Errors of Metabolism course for the Foundation for Advanced Education in the Sciences since 2021.