16Personalities (NERIS Analytics Limited) needed to scale from a niche personality quiz to the world's most-visited personality test platform – while maintaining psychometric rigor, validating the core assessment instrument, and producing actionable business and data insights across the product.
The Approach
Over 10 years I progressed from Researcher to Data Analysis Lead. I validated the main personality assessment, designed and validated numerous surveys using SPSS, AMOS and custom R Shiny applications, conducted quantitative research on personality constructs, and ultimately led the data analysis and business analysis functions – turning raw response data into product decisions.
Key Features
Validated the core personality assessment instrument for psychometric reliability and validity
Designed, deployed and validated multiple research surveys across the platform
Built 16 production dashboards in Tableau and R Shiny on BigQuery
Built custom R Shiny applications for internal data exploration and reporting
Conducted quantitative research using factor analysis, IRT and structural equation modeling
Led business data analysis – translating user behavior into product strategy
Results & Impact
Grew to 1.5B+ personality tests taken worldwide
Became the most-visited personality test site globally
Progressed from Researcher to leading the entire data analysis function
Working on something where people and data meet?
AI automation, data science, psychometric validation or sports psychology – tell me what you're building.
