Oliver Kalleinen is a visual artist working across a wide range of mediums, including video, performance and media installations. His artistic research focuses on participatory and dialogical processes at the intersection of art and democracy. Oliver is the co-founder of complaintschoir.org, YKON and speechkaraoke.org. He also gained experience in facilitation techniques in order to design and host workshops, un-conferences or group meetings. Oliver is a supporter of the Open Knowledge movement. He develops software such as interfaces for media installations or mobile apps.