Zagster is a venture-funded startup company based in Cambridge, Massachusetts that designs, builds and operates bike sharing programs for cities, universities, corporate campuses, hotels, and residential communities across the United States. Zagster currently operates over 100 bike sharing programs including systems for Cornell University, Yale University, Cleveland, Ohio, Quicken Loans, Hyatt, General Motors, The Related Companies, Irvine Company and Four Seasons Hotels and Resorts.