Dennis is the co-founder and executive chairman of Foursquare, overseeing the strategic vision and product roadmap of Foursquare’s technology platform that powers location experiences for more than 1 billion people around the world. Dennis has been a pioneer in imagining ways to help people discover the world around them using data and social encouragement. Previously, he founded Dodgeball, one of the first location-based mobile social services (acquired by Google in 2005) and helped 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 out of Hudson Valley, NY that competes in the 4th division of the US Soccer Pyramid.

Dennis holds a Master’s degree from New York University’s Interactive Telecommunications Program and a Bachelor’s degree from the Newhouse School at Syracuse University. He has been named one of Fortune’s “40 Under 40”, a member of Vanity Fair’s “New Establishment” and has won the “Fast Money” bonus round on the TV game show Family Feud. He splits his time between New York City and the Hudson Valley with his wife Chelsa and their two children, Via and Mars.