Prof. Maetzler is full professor for neurogeriatrics and deputy director of the neurology department of the University Hospital in Kiel, Germany. His main clinical interest is on Parkinson’s disease and other disorders associated with functionally relevant movement and cognitive disabilities. He leads a research group focusing on the analysis and validation of mobile sensor technology in supervised (“lab- or clinic-based”) and unsupervised (“home-based”) assessments of Parkinson’s disease. He is involved as principal investigator, chief clinical investigator and workpackage leader in multiple international projects investigating the potential of mobile sensor technology to improve our understanding of disease progression and treatment response in Parkinson’s disease. Examples at a European level are IDEA-FAST, Mobilise-D, Fair-Park II and Keep Control. Currently, he serves as the co-chair of the Technology task force of the Movement Disorders Society.