Dennis Crowley is the co-founder of Foursquare, the technology company that powers location experiences for more than 1 billion people around the world. Previously, he founded Dodgeball, one of the first location-based mobile social services (acquired by Google in 2005) and help to build early location-based games PacManhattan (2004) and ConQwest (2004). Dennis is also the founder and Chairman of the Kingston Stockade Football Club, a semi-professional soccer team.