Dan Siroker is a Co-Founder and serves as Executive Chairman at Optimizely. He previously served as the Chief Executive Officer at Optimizely. Prior to this, Siroker was the Director of Analytics for the Obama Presidential Campaign and Deputy New Media Director for the Presidential Transition. He also co-founded CarrotSticks. Siroker served as Product Manager for Google Chrome and AdWords. He graduated with Honors from Stanford University with a B.S. in Computer Science.