Lori Warren is a seasoned professional in telecom expense management with extensive experience spanning over two decades. Currently serving as a Senior Audit Analyst at Calero-MDSL since August 2021, Lori previously held key positions at AT&T Telecommunications as a Senior Finance Manager in Telecom Expense Management and at First Data Corporation as a Senior Telecom Analyst. Lori's career began at Vercuity, where responsibilities included managing a staff and overseeing significant telecom spend, achieving notable savings. Early in the career, Lori also served as Customer Service Assistant Manager at Natural Balance. Expertise encompasses audit, vendor liaison, team training, accounts payable, and financial reporting.