Dr. Sarah Chen

Ex-FAANG Experimentation Lead

Sarah led experimentation platforms at Google and Meta for 12 years, scaling from 50 to 10,000+ concurrent experiments. She holds a PhD in Statistics from Stanford and literally wrote the book on online controlled experiments at scale.

A/B testingexperimentation platformsstatistical methodscausal inference

Courses

37,252

Students

★ 4.4

Avg Rating

Courses by Dr. Sarah Chen

experimentation beginner

A/B Testing Fundamentals

Master the core principles of online controlled experiments. Learn how to design, run, and analyze A/B tests that produce trustworthy results.

Dr. Sarah Chen 29 min

★ 4.3 · 9,710

experimentation advanced

Advanced Experiment Design

Go beyond simple A/B tests. Learn multi-armed bandits, factorial experiments, switchback designs, and when to use each approach.

Dr. Sarah Chen 44 min

★ 4.1 · 14,828

experimentation intermediate

Statistical Methods for Experimenters

The statistics you actually need to run experiments well. No PhD required — just practical knowledge for product teams.

Dr. Sarah Chen 36 min

★ 4.8 · 12,714