Sherri Callahan

Sherri Callahan is a seasoned professional with extensive experience in account management and contract negotiations within the telecommunications industry. Currently serving as Team Lead Audit & Sourcing at Calero-MDSL since August 2015, Sherri excels in client relationship management and oversees the RFP process for Fortune 500 clients. Prior roles include National Accounts Event Services Sales Executive at InterCall, where Sherri focused on the pharmaceutical sector, and Senior Associate at Telesoft Corp., managing extensive telecom audits and contract negotiations. Sherri's career began as a Long Distance Consultant at Teldata Control Inc., and a Client Account Manager at MCI Telecommunications Corporation, demonstrating a consistent track record of driving revenue and optimizing network services. Sherri holds a Bachelor of Arts in Communications with a concentration in Public Relations from Rutgers University.