Sohail Agha, PhD, is a behavioral scientist with more than 25 years of experience working at the intersection of social and behavior change, gender norms, behavioral measurement, and health systems strengthening. His work focuses on developing theory-driven, scalable behavioral diagnostics that can be embedded within clinical and public health systems to improve health service uptake, equity, and program impact. His research examines how gender norms, institutional trust, and digital environments shape health-seeking behavior, and how low-cost digital tools can generate rapid, actionable insights in both U.S. and global contexts. As an affiliate of the Center on Gender Equity and Health at the University of California San Diego, he contributes expertise in integrating behavioral science into health systems, designing low-cost digital research methodologies, and advancing applied measurement frameworks across diverse settings.