Data Scientist, Ads Demand

The role

You will build the measurement and insight foundation for understanding demand health and advertiser value. You will partner with Ads Sales and Ads Product leadership to diagnose performance, define benchmarks, and identify growth opportunities.

What you will do

• Define North Star metrics, diagnostic framework, and measurement strategy for demand health.
• Build the operating view of demand across spend, active advertisers, retention, budget utilization, delivery, concentration, and mix.
• Diagnose changes in demand through cohort analysis, decomposition, experimentation, and causal methods.
• Own the end-to-end view of advertiser outcomes including delivery, ROAS, conversion performance, retention, and budget efficiency.
• Establish actionable benchmarks by objective, vertical, advertiser size, geography, maturity, and product adoption.
• Develop early-warning signals and opportunity scoring to help sales teams.
• Set standards for metric definitions, data quality, and interpretation.
• Partner with Marketing Science, Sales, and Product to translate analysis into advertiser-facing insights.
• Design measurement plans and experiments to quantify product adoption effects.
• Build a systematic feedback loop to convert advertiser input into prioritized product opportunities.

Required qualifications

• 7+ years of experience in data science or analytics within an ads platform, marketplace, or performance-oriented B2B business.
• Demonstrated business impact through advertiser demand growth, improved delivery or ROAS, stronger retention, or decisions that changed product and sales strategy.
• Strong SQL and Python or R.
• Depth in measurement, experimentation, causal inference, segmentation, benchmarking, and forecasting.
• Exceptional cross-functional communication and influence with both sales and product leaders.
• Hands-on approach to ambiguous, 0-to-1 problems.

Nice to have

• Experience at a high-performing ads business where data scientists work broadly across Sales, Marketing Science, and Product.
• Hands-on familiarity with ad delivery, auctions, measurement, attribution, conversion signals, and the advertiser lifecycle.
• Experience turning customer feedback into product priorities and evidence-backed best practices.

About the company

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity.