Midlands Authority Promotes Renee Williamson to Director of Marketing and Welcomes Dayna Cantelmi as

COLUMBIA, S.C. - (Tuesday, October 22) - The Midlands Authority for Conventions, Sports & Tourism (MACST), the governing entity over the Columbia Metropolitan Convention Center, Columbia Sports Council and Columbia Metropolitan Convention & Visitors Bureau, is pleased to announce the promotion of Renee Williamson to director of marketing and the addition of Dayna Cantelmi as the new marketing and communications associate…

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