Mozilla CEO John Lilly is leaving his post at the software company to join venture capital firm Greylock Partners, according to a report from All Things D’s Kara Swisher.
John has held the top job at Mozilla — best known as the company behind the popular Firefox browser — since 2008.
John will stay on Mozilla’s board of directors. The company has not yet found a replacement.
He explained the move in a letter to Mozilla’s staff:
I’ve always been a startup guy at heart–Mozilla was originally going to be a quick volunteer effort for me, but quickly turned into a full time job, and at the beginning of 2008 turned into the CEO job that I have now. I’ve really been missing working with startups, and want to learn how to invest in and build great new startups, so am planning to join Greylock Partners as a Venture Partner once we transition here.
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