Tina D. Purnat is a Doctor of Public Health (DrPH) candidate and Prajna Leadership Fellow at the Harvard T.H. Chan School of Public Health. Her studies focus on enhancing services for vulnerable and at-risk communities facing social, economic, and health information disparities. With over two decades of global experience in health informatics, Tina has worked across academia, the World Health Organization (WHO), and public health organizations, advancing digital public health, AI technologies, and combating health misinformation. She is passionate about modernizing public health through the integration of cutting-edge technology and human-centered solutions. Tina is a recognized conference speaker and academic lecturer, particularly in the areas of health misinformation and AI for health.