Telephone and Data Systems, Inc. announced that John M. Toomey has been promoted to vice president and treasurer, effective immediately. Toomey most recently served as vice president and assistant treasurer. In his new role he will take on greater responsibilities for capital markets activities, banking relationships, cash investing, and certain other corporate finance functions for TDS and its business units, U.S. Cellular and TDS Telecom. He will also continue to be a member of the investment management committee for the Company's retirement plans.