The in-house producer and engineer for legendary SST Records label. He briefly played bass for Panic, who later changed their name to Black Flag, and recorded, mixed, produced or co-produced for most of SST's acts between 1978 and 1985. He is credited on albums by such bands as Black Flag, Husker Du and Saint Vitus. Spot has also produced several acts outside of SST. Spot later retired from producing to concentrate on performing. He currently lives in Austin, Texas.