Charles Birnbaum

Charles Birnbaum is a partner in Bessemer's New Yurk office, investing in early stage and promising financial services, consumer, and education companies in the U.S. and Europe. Before venture, Charles spent more than three years at Foursquare, the location-based mobile application and social network, helping to bring forth the company's first merchant-facing tools. During the company's growth phase, Charles became the director of mobile and international business development and built strategic partnerships with media companies, carriers, and OEMs in key growth markets. Prior to Foursquare, Charles spent six years in investment banking and equity capital markets focusing on the technology, media, and telecom sectors, and executed more than 50 equity and equity-linked public offerings. He earned his MBA from the Wharton School, Master of Arts in international studies from the Lauder Institute at the University of Pennsylvania, and a Bachelor of Arts in history from Northwestern University.