Bill is an entrepreneur and an investor/advisor to a dozen really cool tech companies. Bill was the founder and CTO of, which Rackspace acquired in 2007. After helping to scale his email business, Bill spent a year working on partnerships and M&A at Rackspace. He left Rackspace in 2011 to peruse a new project – details are currently unknown. Bill often gives talks on technology and entrepreneurship and loves chatting with kick-ass entrepreneurs who are trying to change the world.