abstract:Startup Weekend is a registered 501(c)(3) not-for-profit organization based in Seattle, Washington, USA, that organizes 54-hour weekend events during which groups of developers, business managers, startup enthusiasts, marketing gurus, graphic artists and more pitch ideas for new startup companies, form teams around those ideas, and work to develop a working prototype, demo, or presentation by Sunday evening. Startup Weekend has grown into an organization with a global presence.