Previously, Seibert was Twitter’s Director of Developer Platform where he led Fabric, the company’s suite of mobile developer tools, as well as its enterprise Data Platform and Content Syndication efforts. Seibert is best-known as the co-founder and CEO of Crashlytics, an award-winning crash analysis service for iOS and Android apps. Crashlytics was acquired by Twitter in 2013 and has become an essential piece of the mobile developer toolchain - today powering over a million apps across over three billion devices worldwide.
Seibert co-founded Increo in 2007 and served as its COO and lead architect until its acquisition by Box in 2009. He subsequently oversaw the integration of Increo’s document preview and annotation technologies into Box’s cloud content platform. Seibert gained experience at Apple in both marketing and engineering capacities and led Stanford University's Entrepreneurial Thought Leaders seminar series as Co-Coordinator.
He was selected as a Mayfield Fellow in 2007 and received a B.S. in Computer Science from Stanford University in 2008. Seibert is a frequent presenter on both entrepreneurship and technical topics and has lectured at Stanford, Harvard, MIT, and Tufts, as well as keynoted Twitter Flight, AppsWorld, AnDevCon, EclipseCon, and others.