Jeff Kolar is a sound artist and curator working in Chicago, USA. His work, described as “speaker-shredding” (Half Letter Press) and “wonderfully strange” (John Corbett), includes cross-platform collaboration, low-powered radio, and live performance. His work often activates sound in unconventional, temporary, and ephemeral ways using appropriation and remix as a critical practice. Jeff is a free103point9 Transmission Artist, and the founder and acting director of Radius, an experimental radio broadcast platform.