Randall joined Iowa State University in 2017, becoming the institution's first bee extension specialist in over 70 years. In his role he coordinates bee research, manages the university's honey apiary, lectures, and provides outreach to beekeepers, farmers, and landowners. Cass is especially interested in taking an integrated pest management (IPM) approach to controlling honey bee pests and conducting research exploring the effects of landscape on colony health. Prior to coming to Iowa State, he managed rural development programs in Guatemala and El Salvador, working with small farmers and beekeepers. Randall holds a Master of Science from the University of California, Davis and a B.A. from Willamette University.