His current research focuses on population studies in Parkinson’s and he is the Chief Investigator of Tracking Parkinson’s (the PRoBaND Study), a 9-year, £3.4m project funded by Parkinson’s UK. Tracking Parkinson’s is the largest ever prospective, multi-centre study of Parkinson’s disease and collects clinical data and biosamples from more than 2,500 patients at 70 sites across the UK.