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Deb Tellstone is an accomplished executive with extensive experience in operational leadership and strategic initiatives within the telecommunications and technology sectors. Currently serving as Vice President of Professional Services at IDI Billing Solutions since November 2016, Deb has also held roles as Director and Project Manager. As Chief Operating Officer at OneStream Networks since June 2012, significant contributions have been made to organizational performance. Deb's previous roles include Vice President of Strategic Initiatives at Cassara Management Group, Inc., where partnerships with clients led to improvements in profitability, and Chief Operating Officer at ACN Canada, overseeing customer service and operational responsibilities. Prior experience includes a Vice President role at Frontier Communications, focusing on sales and service metrics. Deb holds an MBA in Finance and Accounting from the Simon School of Business Administration and a BA in Economics from St. Lawrence University.