As VP of Sales, Michael Rosen oversees all sales initiatives at Foursquare across brand and agency partners.  Michael is a key evangelist in the areas of mobile, programmatic buying, and big data.

Prior to Foursquare, Michael was Chief Revenue Officer at First Look Media, a media company started by eBay founder Pierre Omidyar. Michael also ran online and mobile sales strategy and marketing for AT&T AdWorks, including AT&T's ad networks, owned & operated sites, and cross-screen addressable products. His team generated triple digit revenue growth year-over-year.

Michael serves on the executive board of the Newhouse 44 and Upstream Group Seller Forum advisory board. He received his MBA from the NYU Stern School of Business and bachelor’s degree from Syracuse University.  He previously served as co-chair of the IAB's Sales Executive Council, on the Board of Directors of the Financial Communication Society, Ad Council´s Media Steering Committee, and Online Publishers Association.