Corey Hulen is the CTO and co-founder of Mattermost, Inc., creators of the open source enterprise messaging workspace built for privacy-conscious organizations. Prior to Mattermost, he founded Tempo AI, a machine intelligence startup spun out from Stanford Research Institute, which was acquired by Salesforce.com. Before that, Corey served as an engineering manager and architect for Microsoft Office in its enterprise software business across the SharePoint and Business Intelligence product lines. He is an alumnus of California Polytechnic State University.