“…Parkinson's disease also has its share of active patients, vocal campaigners for patient engagement. For example, Tom Isaacs who co‐founded a charity that ‘has not only funded ground‐breaking research and trials, but has fundamentally changed how we think about trying to better translate therapies to patients with Parkinson's’ 9 . In our roles as patient advocates in PD, we have contributed to expanding the knowledge, both in generating hypotheses 10 and in real‐world applications 11,12…”