Mr. Thaddeus G. Weed, also known as Tad, serves as the Chief Financial Officer of Cogent Communications, Inc. Mr. Weed has been the Chief Financial Officer at Cogent Communications Holdings, Inc. since May 2004 and serves as its Principal Accounting Officer. He has been Treasurer of Cogent Communications Holdings, Inc. since May 2004. He joined Cogent in February 2000 and served as its Controller from February 2000 to May 2004 and Vice President until May 2004. He served as Chief Financial Officer and Treasurer of TNS Inc. He served as a Senior Vice President of Finance and Treasurer at Transaction Network Services, where he undertook a broad range of financial management responsibilities, from 1997 to 1999. These responsibilities included Financial Planning, Forecasting, Budgeting, Financial modeling, Acquisition and International expansion strategies and pro-forma analyses. From 1987 to 1997, he was employed at Arthur Andersen where he served as a Senior Audit Manager, consulting on due diligence and operational improvement issues and performing audits of public and private entities. He has also fulfilled all requirements for the C.P.A. designation. Mr. Weed has an M.B.A. from Virginia Polytechnic & State University and a B.B.A. from Roanoke College.