End-users are involved in several phases of the project, including focus groups, pilots and an effectiveness study. Three groups of end-users are used: eldery clients, care professionals and care researchers. User requirements are based on info from these groups and based on state of the art scientific literature.  Based on this info, a behavioural and motivational enrichment program  is designed. Personal virtual coaches are created who help them to find the right balance between activity and rest throughout each day. A sensor platform is built and integrated to the virtual coach system platform. The coach is connected to several bio-sensors including activity sensors, blobo’s, blood pressure and weight sensors for interaction and adaptive feedback.  This daily organisational structure is designed by a care program manager and researchers through a simple interface to create and arrange events for the client. Using this interface, the program manager can set the speech, language, and emotional character of the virtual coaches.