Yi Ming Yao is a researcher working at the intersection of public health, health services management, aging services, and community-based health promotion. Their work focuses on how public services can better respond to population aging through evidence-based policy design, demand segmentation, and service delivery innovation. They have participated in empirical research on community meal services for older adults in Nanjing, using surveys, interviews, online public opinion analysis, clustering, machine learning, structural equation modeling, and importance-performance analysis to generate actionable recommendations for equitable and sustainable elderly meal services.