Dan Siroker

Optimizely hires Jay Larson as its new CEO

Co-founder Dan Siroker is stepping down as the CEO of Optimizely. He's handing the role over to Jay Larson, who was previously CEO at Birst, as well as an executive at Mercury Interactive and Success

Optimizely acquires Experiment Engine to offer more collaboration tools for big companies

While Optimizely has bought other startups before, co-founder and CEO Dan Siroker said today is the first time it’s acquiring a startup built on Optimizely’s developer platform — namel

Website Testing Service Optimizely Raises $28M Round Led By Benchmark, Plans Global Expansion

<a target="_blank" href="http://www.optimizely.com">Optimizely</a>, a Y Combinator-incubated startup that helps companies A/B test different versions of their website, has raised $28 million in Series