Peter Dreisiger is a Perth-based computer scientist who is becoming increasingly involved in activism, the arts and social justice campaigns. He has been involved in several protest trips and arts projects, providing software, hardware and mobile streaming systems and support to a variety of groups. Peter is also a committee member of Perth's hackerspace, 'The Artifactory', and has worked as a Systems Scientist and Analyst in both the mining and defence sectors. He holds bachelor degrees in Engineering and Science from UWA, and his research interests include concept formation, artificial natural language processing, and the history of computing.