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Mariana de Souza Cozenza Vilares is a skilled financial analyst currently employed at Telecall Telecommunications since March 2023, where responsibilities include conducting monthly pre-billing reviews and improving operational efficiency. Prior experience includes roles as a financial assistant at Farm Rio and Telecall Telecommunications, where Mariana enhanced financial accuracy and minimized discrepancies. In addition, Mariana has a background in customer management and billing operations through a wholesale internship and co-founded a nonprofit organization aimed at reducing food waste. Mariana's journey began in sales and telemarketing, complemented by a Bachelor's Degree in Business from Estácio, achieved in December 2021.