Ronald Postuma completed his medical degree at the University of Manitoba in 1995. He then completed a clinical research fellowship in conjunction with internal medicine training at the University of Manitoba and the University of Melbourne (1995-1999), a neurology fellowship at McGill University (1999-2002), a movement disorders research fellowship at the University of Toronto (2002-2004) and a masters in epidemiology at McGill (2004-2006).

Currently, he is a clinical researcher and movement disorders neurologist who treats people with Parkinson's disease (PD) and related disorders. His research focuses on PD, particularly on detecting early stages of disease, examining the impact of non-motor symptoms on disease subtype and prognosis, and testing new treatments for non-motor manifestations. He also co-directs the national residents course in movement disorders, serves on the Education Committee of the International Parkinson and Movement Disorder Society (MDS) and is co-chair of the MDS task force on the definition of PD.