Cynthia Poon of Northwestern University is the site PI for several Parkinson’s disease (PD) research trials (including the WATCH-PD wearable device study and SPARX3 exercise study), and she is well trained in working with people with movement disorders, specifically PD. She has experience with a range of technical skills including motor and cognitive assessments and wearable technologies. She has the expertise to make valuable contributions to study execution, assist in the proposed data collection and to be directly involved in reviewing manuscripts relating to this proposed study.