Jiajing Feng

• Cleaned and analyzed datasets to help policymakers identify barriers to digital payment adoption and aging preparedness; visualized key findings for a policy audience. • Wrote policy briefs on preventive healthcare and solid waste management, translating research findings into actionable insights.

• Taught statistical foundations of econometrics and led problem set sessions. • Instructed R programming for data cleaning and analysis.

• Conducted interviews and held focus group discussions with Malawian caregivers and health workers to inform research design. • Communicated with Malawian government officials and village leaders to secure approval for the study. • Managed a local research team and coordinated with partners from diverse cultural and academic backgrounds to collect data in the field.

• Collected, compiled, and structured data from Chinese Yearbooks (2003– 2017) across administrative levels, and used Python to extract key economic indicators from complex tables, ensuring accuracy and usability for analysis.