His research focuses on legislative politics, state politics, organized interests, and statistical methods. His dissertation focused on understanding patterns of interdependence in legislatures by examining legislative cosponsorship across all 101 U.S. legislative chambers. His dissertation work was sponsored by a National Science Foundation Grant. His research has appeared in Journal of Politics, Legislative Studies Quarterly, State Politics and Policy Quarterly, Social Networks, and Social Science Quarterly. While at UH, Justin will teach courses on state politics, legislative politics, introductory courses in American Government, and courses on statistical methods