He teaches U.S. Energy Policy and Regulation, Energy Economics, and other energy-related courses. Before he joined Texas Tech, Giberson was an economist with Potomac Economics, where he contributed to their RTO/ISO market analysis and market power mitigation efforts. He also worked as an independent energy industry analyst, was a research fellow with George Mason University's Critical Infrastructure Protection Project, and worked for the Center for the Advancement of Energy Markets and Argonne National Lab.