John joined Columbia Capital in 2000 and focuses on Internet Infrastructure and Enterprise IT Services investments. John is currently a member of the Board of Directors of Benestra, Cologix, euNetworks, New Signature, Sendachi, SummitIG, and TerraPact. John previously served on the boards of ICG Communications (acquired by Level 3), New Global Telecom (acquired by Comcast), Presidio (acquired by American Securities), GTS CE (acquired by Deutsche Telekom), mindSHIFT (acquired by Best Buy), FDN Communications (acquired by NuVox), Virtustream (acquired by EMC), Cloud Sherpas (acquired by Accenture) and Zayo (NYSE: ZAYO) and represented Columbia Capital's interests in Mpower Communications (acquired by TelePacific). Before joining Columbia Capital, John worked in Morgan Stanley's Private Equity Group, where he specialized in investments in the telecommunications/data services arena. He also held positions with Fidelity Ventures, the private equity division of Fidelity Investments, and the Investment Banking Division of Alex. Brown & Sons, Incorporated. John received his B.A. from Princeton University and his M.B.A. from Harvard Business School.