Formerly, he was an assistant professor at Texas A&M International University in Laredo, Texas. Specializing in corporate finance, Dr. Jiraporn has conducted research in several areas such as corporate governance, earnings management, capital structure, dividend policy, corporate diversification, and mergers and acquisitions. His research has appeared in a large number of journals, including Academy of Management Journal; Journal of Banking & Finance; Journal of Financial Research; Journal of Empirical Finance; Financial Analysts Journal; Journal of Financial Services Research; Quarterly Review of Economics and Finance; Journal of Applied Finance, and more.