From Service Clouds to User-centric Personal Clouds L. Ardissono, A. Goy, G. Petrone and M. Segnan Dipartimento di Informatica Università di Torino Torino, Italy {liliana,goy,giovanna,marino}@di.unito.it We present the Personal Cloud Platform (PCP) for the management of service clouds providing the user with a unified environment for handling her/his activities and collaborations. Within a personal cloud, the PCP enables the definition of global collaboration groups and a holistic management of the workspace awareness, concerning all the integrated services. Moreover, being based on an open architecture, the PCP supports the integration of external applications, selected by the enterprise user.