Rosson works in the areas of international trade and international marketing. He currently chairs the Education Committee of the Texas-Cuba Trade Committee. Rosson served on the Grains, Feed, Oilseeds and Planting Seeds Agricultural Trade Advisory Committee for the US Trade Representative and US Department of Agriculture from 2001-2015.
He has conducted research projects and educational programs in Latin America, Europe, the Middle East and Asia. Prior to coming to Texas A&M in September 1989, Rosson
spent seven years at Clemson University where he was Associate Professor and Extension Agricultural Economist and Acting Director of International Programs.