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Dorothy Crepin
Dorothy Crepin is Senior A/B Testing Analyst at MilliporeSigma, the life sciences business of Merck KGaA, where she has coordinated the experimentation program since joining in 2022, working with product pods, analysts, designers and engineers from test inception through analysis. She champions measuring the next action a page owns rather than revenue alone, pairing A/B tests with user testing, and exploring agentic testing with personas.
Takeaways
All Takeaways
Dorothy is building personas into agents so browsers, not just buyers, can be tested for a directional read before an experiment ships.
Every test starts with one question to the product manager: what problem are you solving for the customer, not what is your hypothesis.
A/B testing tells you what happened. MilliporeSigma's user testing ambassador panel supplies the why behind the click.
