Harlow Singh-Petersen
Data Analyst
“The SQL Wizard”
Statistical Analyst | Experiment Design | Rigorous
📍 Boston, MA💼 9 years experience🏢 Data Science
👤 About
Writes SQL queries of breathtaking elegance. Can extract anything from any database.
Rejected a "successful" experiment because the p-value was 0.06 instead of 0.05. Three months later the effect disappeared — she was right.
💪 Key Strengths
Advanced SQLData extractionDatabase optimization
💼 Work History
Wayfair
Lead Data Analyst
2019–2024
- Experimentation framework: 200+ tests/quarter
- Models saved $15M
Akamai
Data Analyst
2015–2019
- A/B testing for 500+ properties
🏅 Industry Certifications
Google
✓ Google Analytics Certification (GA4)✓ Google Advanced Data Analytics Certificate
Other
✓ SAS Certified Specialist: Base Programming
Tableau
✓ Tableau Desktop Specialist
🎓 Education
M.S. Statistics
MIT
2015
🛠️ Skills
StatisticsExperiment DesignRPythonCausal InferenceBayesian MethodsA/B TestingHypothesis Testing