Dr. Roth's current activities emphasize improving educational quality throughout the School of Public Health, promoting excellence in online, hybrid, and face-to-face course offerings at the undergraduate and graduate levels. He is the Institutional Leader for Maryland's membership in the national CIRTL Network, dedicated to enhancing excellence in undergraduate education through the development of faculty committed to implementing and advancing effective teaching practices for diverse learners. Dr. Roth's scholarly research focuses on genetic variation (and environmental interaction) in determining inter-individual differences in exercise responses, skeletal muscle traits, and other health-related phenotypes, as well as understanding the role of physical activity in modifying DNA structure (e.g., telomere length).