About

  • engineering leader, entrepreneur and investor
  • joined Kleiner Perkins Caufield & Byers as a general partner in 2011
  • helping entrepreneurs in the social, mobile and cloud computing sectors rapidly scale teams and ventures
  • formerly the Vice President of engineering at Twitter, led the team to rebuild and solidify Twitter’s infrastructure, growing the engineering team to more than 350 engineers and scaling Twitter’s architecture to support 300+ million daily tweets.  No more fail whale!
  • built and led the software development team (device/cloud/developer) at Palm that created the widely acclaimed webOS platform.
  • general manager at Microsoft for .NET online services, which became Azure.
  • co-founder/chairman of Passenger Inc in 2006. – social brand intelligence
  • founder/ceo Composite Software in 2002 – data virtualization leader. Acquired by Cisco 2013
  • founding team of Electron Economy in 1999 – supply chain sw saas company. acquired 2001.
  • all venture backed
  • advised and invested in numerous software companies including Cloudera, Hearsay Labs, Locu, ToyTalk, Jawbone and Saynow.
  • left Ph.D. at the University of Washington to return to bay area to spin a company out of SRI

and yes, i still write software for fun. check out urfotoz.com!