Stuart Shulman is the founder and CEO of Texifter. He is also the Treasurer of the Big Boulder Initiative and a Research Associate Professor at the University of Massachusetts Amherst. Shulman is the sole inventor of the Coding Analysis Toolkit (CAT), an open source, Web-based text analysis software project, as well a text analytic network known as DiscoverText. His latest invention is Sifter, a tool for getting self-serve access to the full history of Twitter. In the fall of 2009, he launched a software start-up, Texifter, LLC, which helps individuals, groups, organizations, and crowds when they are searching, filtering, classifying and analyzing large numbers of documents.