Rafael Pilliard-Hellwig

Survey Statistician and Data Scientist

As Mindset’s Survey Statistician and Data Scientist, Rafael provides statistical and methodological guidance across research projects in the Middle East and Africa. He supports the research process from study design and sampling through to data analysis, interpretation, and reporting, working closely with research teams to ensure reliable findings.

Rafael brings over a decade of experience in survey research, monitoring and evaluation, and applied statistics for international development. His work spans public health, nutrition, economic development, and enterprise research, including national population surveys in Jordan and vaccination coverage studies and health facility censuses in Nigeria. Before joining Mindset, he worked with organizations including FHI 360 and Action Against Hunger, contributing to research design, statistical analysis, and the development of analytical tools. He also brings experience training and mentoring teams in survey methods, statistical programming, and data quality.

Rafael holds a Master of Data Science from the University of British Columbia and a Bachelor of Arts with Honours in Law and Political Science, with a specialization in International Relations, from Carleton University.

Areas of expertise:

  • Survey Research: sampling design, sample-size determination, survey weighting, statistical analysis, and reporting
  • Data Science: statistical modelling, reproducible analytical workflows, and programming in R and Python
  • Monitoring and Evaluation: evaluation design, indicator development, data quality assurance, and technical capacity strengthening
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