Panagiotis is an Electrical Engineer with a Doctor's degree from the Department of Electrical and Computer Engineering of the University of Patras, Greece. He has been involved in computer networks, systems and algorithms for more than twenty years. He is working at EUROPEAN DYNAMICS in Athens, Greece, where he has successfully provided his services in several different ways, as a software developer, designer, consultant, technical writer, project manager and IT expert in several fields. Important relevant work includes studies related to open source, and interoperability policies and procedures of the EC. He has been actively involved in several eGovernment projects for more than a dozen years. During this period, he assumed the role of the project manager and technical expert of several projects, including the eLink middleware project of IDABC, CommisSign web site of the EC CA, the PLOTEUS portal, etc. He is an open source advocate and founding member of the OW2 consortium. In parallel he led the team of EUROPEAN DYNAMICS in the QualiPSo research project for its first 18 months.