Transaction Network Services Inc. named Thaddeus "Tad" G. Weed chief financial officer.

He succeeded Brian K. Barnum, who left to pursue educational interests on the Internet for Classroom Holdings Inc.

Before coming to Transaction Network Services, Mr. Weed, 36, had worked 10 years at Arthur Andersen & Co. as audit manager for several public and private companies. Before that he spent a year and a half as merchandise manager at J.C. Penney Co.

Mr. Weed reports to John J. McDonnell Jr., president and chief executive officer.

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