Canaan Partners is an early-stage investor and creates next-generation companies in Internet infrastructure, communications, software and services, medical devices, biological sciences, pharmaceuticals and diagnostics. Founded in 1987, the firm has invested in more than 210 companies, completed 52 mergers and acquisitions, and taken 45 companies public. Canaan was an early investor in Dexcom (DXCM), DoubleClick (DCLK), CommerceOne (CMRC), Copper Mountain Networks (CMTN), Esperion (ESPR), Immunicon (IMMC), International Network Services (INSS), ONI Systems (ONIS), and Peninsula Pharmaceuticals, along with dozens of other market-leading companies. Canaan has offices in Menlo Park, California and Rowayton, Connecticut.