Harry D'Andrea has served as the Chief Financial Officer for both established and startup companies for over twenty years. Prior to founding Valhalla Partners, Harry was the Chief Financial Officer for Advanced Switching Communications, Inc. ("ASC"), a telecommunications equipment supplier that he helped take public. Prior to ASC, Harry was the Chief Financial Officer at Call Technologies, Inc. ("CTI"), a start-up telecommunications software company. At CTI, Harry played a central role in preparing the company for growth and for its ultimate sale to 3Com Corporation.