Web Summit is an annual technology conference held in Lisbon, Portugal. Founded in 2009 by Paddy Cosgrave, Web Summit was held in Dublin, Ireland until 2016, when it moved to Lisbon. The conference's topics center on internet technology, emerging technologies, marketing and venture capitalism. Web Summit's partners range from Fortune 500 companies to start-ups, with attendees representing all levels and sectors of the global high technology industry.