Bartek Lewandowski, received his master’s degree from Poznan University of Technology. He has been employed by Poznan Supercomputing and Networking Center in the Network Services Department since 1998. His professional interests include advanced service oriented systems, web technologies and services of ambient intelligence including mobile ones. He is the leading architect for the Multimedia City Guide, the official portal of the city of Poznań - a cooperative project with the Poznan City Hall. He is the technical coordinator of PSNC's activities in the QualiPSo project which aims at fostering adoption of open source software. As one of the QualiPSo result a worldwide network of QualiPSo FLOSS Competence Centers has been established with a Polish node located in Poznań. Bartosz is coordinator of the PSNC QualiPSo FLOSS Competence Center.