July 17, 2025, Filed Under: Presentations and Workshops, Student AchievementsCongratulations Dr. Joyce Ovalle! Dr. Joyce Ovalle successfully defended her dissertation, earning her doctorate in Public Policy. Dr. Ovalle’s research focuses on the environmental nonprofit sector in the U.S. Through her innovative mixed-methods approach that includes network analysis, machine learning, and large-scale text analysis of over 10,000 organizations, she demonstrates how factors like political context, revenue composition, and organizational legacy shape how environmental nonprofits frame climate issues. Dissertation: Environmental Nonprofits in U.S. Climate Governance: Understanding Resources, Rhetoric, and Heterogeneity