Zhengguo Gu

Zhengguo Gu is a senior data science leader and statistician with a focus on experimentation, causal inference, and statistical methodology. He currently serves as Senior Staff Statistician at Optimizely, where he leads the development of the Stats Engine. His work includes A/B testing, sequential analysis, Bayesian inference, and simulation-based sample size planning.

Prior to joining Optimizely, Zhengguo worked on measurement and experimentation in digital marketing at Booking.com. Before that Zhengguo played a central role at bol.com in advancing experimentation and statistical methods within the organization.