Network security, privacy and media education expert. Activist, advocating free software and open standards in education, public institutions and business. Between 2006 and 2012 systems administrator, then CTO of Mobile Technologies Laboratory BRAMA at the Warsaw University of Technology. Vice-president (since 2011), and afterwards President of the Board (2012 – 2014) of the F ree and Open Source Software Foundation. Member of the board of the Polish Linux Users Group. Participant to a number of public consultations and public debates, both in Poland and on international level, centred around new technologies, privacy, Internet censorship, data retention, public data re-use, access to public information, Internet governance, and copyright reform. Between June 2014 and March 2015 member of the Council for Digitization at the Polish Ministry of Administration and Digit ization. Co-author of the Media Competences Catalogue and media education materials, in collaboration with Modern Poland Foundation and Panoptyko n Foundation. Copyright and libre licenses coach, board member of the Open Education Coalition. Founding member of the Warsaw Hackerspace, active member of the hacker community in Poland and abroad. Technology Fellow at the Organized Crime and Corruption Reporting Project since March 2015.