This document summarizes an introduction presentation for the OpenNebulaConf 2013 conference on open-source enterprise cloud computing. The presentation discusses OpenNebula's vision of providing an open management platform to automate and orchestrate enterprise clouds on existing IT infrastructure. It outlines OpenNebula's history as a research project turned enterprise product, its open-source development model, growing user and community base, and conference agenda including keynote speakers, user experiences, and integration topics.