Holger Luedorf works at Foursquare as Vice President, Head of Business Development. Prior to Foursquare, Holger worked at Yahoo Mobile as a Senior Director of Strategic Partnerships. Holger joined Yahoo! in 2005 after heading Portal & Partner Management at T-Mobile International in Europe. Holger is an expert in understanding mobile data and digital media business opportunities. His expertise in multi-million dollar deal-making and handling complex partner relationships makes him a well-rounded business development and product marketing executive.