Phil joined Columbia Capital in 1992 and focuses primarily on media and communications investments, both services and technologies. He is currently a member of the Board of Directors of Avail Media, Hatteras Networks, Hillcrest Laboratories, and Imagine Communications. Former Columbia portfolio companies that Phil managed include Altiga Networks (acquired by Cisco Systems), Call Technologies (acquired by 3Com), Columbia Spectrum Management (acquired by P-Com), NMP (acquired by AppNet / Commerce One), Ocular Networks (acquired by Tellabs), Riverbed Technologies (acquired by Aether Systems), Saville Systems (NASDAQ: SAVLY subsequently acquired by ADC Communications), Taqua (acquired by Tekelec), Telular (NASDAQ: WRLS), and Torrent Networking Technologies (acquired by Ericsson). In 1993, Phil joined Telular Corporation as its Chief Financial Officer where he led the company through an initial public offering, returning to Columbia Capital in 1994. Prior to joining Columbia Capital, he served in various financial management positions for Energy Service Company, Energy Insurance International, Marsh & McLennan, and Lloyd's of London broker C.T. Bowring & Co. in London, England. Phil received his B.A. from the University of Virginia and his M.B.A. from Kenan-Flager Business School at the University of North Carolina-Chapel Hill.