Number of Portfolio Companies 3
Number of Founded Organizations 4
  • Primary Job Title CoFounder & CEO
  • Primary Organization 
    Rewind AI
  • Investor Type  Individual/Angel

Dan Siroker is the Co-Founder and Executive Chairman of Optimizely. The inspiration for Optimizely came from Dan's work as the Director of Analytics for the Obama Presidential Campaign and Deputy New Media Director for the Presidential Transition.

Before Optimizely, Dan co-founded an online math game for kids called CarrotSticks. Formerly,

he was also a Product Manager for Google Chrome and AdWords. Dan graduated with Honors from Stanford University with a B.S. in Computer Science.

Number of Investments 3
Dan Siroker has made 3 investments. Their latest investment was Seed Round - Milk Video on Aug 18, 2021, when Milk Video raised
$1.5M
.
Announced Date  
Organization Name  
Lead Investor  
Funding Round  
Money Raised  
Aug 18, 2021
Milk Video
Seed Round - Milk Video
$1.5M
Jun 7, 2021
Haystack
Seed Round - Haystack
$1.2M
May 6, 2021
Navattic
Seed Round - Navattic
$1.1M
Number of Current Jobs 2
Number of Past Jobs 4
Dan Siroker has 2 current jobs as CoFounder & CEO at Rewind AI and Co-Founder & Chairman at Optimizely. Additionally, Dan Siroker has had 4 past jobs including Co - Founder at CarrotSticks, Inc..
Organization Name  
Title At Company  
Start Date  
End Date  
CarrotSticks, Inc.
Co - Founder20092009
Google
Product Manager20062008
Organizing for Action
Director, Analytics20072008
Sentiment Solutions
Founder20052006
Number of Past Board & Advisor Roles 1
Organization Name  
Title At Company  
Start Date  
End Date  
The White House
Advisor20092010
Dan Siroker studied at Stanford University.
Number of Events 1
Dan Siroker has participated in 1 event, SaaStr Annual 2016 on Feb 9, 2016.
Number of News Articles 59
Funding RoundAug 18, 2021
Milk Video raised $1,500,000 / Seed from Alejandro León and 32 other investors
Funding RoundJun 7, 2021
Haystack raised $1,200,000 / Seed from Blaine Vess and 6 other investors
Funding RoundMay 6, 2021
Navattic raised $1,100,000 / Seed from 645 Ventures and 3 other investors
NewsMar 6, 2021