Jobadiah Christiansen works as the Membership and Technology Assistant at the Cleveland Restoration Society, which advocates for historic preservation in NE Ohio. He holds a Masters in History from Kent State University, where he studied the community history and memory of his hometown in Pennsylvania. His work at Umm el-Jimal has centered on plasters and their production, by focusing primarily on lime kilns. Job is interested in technology as a means of studying the daily lives of the subaltern.