Oi
Alessandro Varme has extensive experience in fraud and revenue assurance within the telecommunications sector, currently serving as Senior Manager of Fraud and Business Assurance at Oi since December 2018. Previously, Alessandro held various senior management roles at Claro Brasil, leading revenue assurance initiatives, and at SABEX EXPRESS as Diretor Comercial e Operações. A career in telecommunications began at Telefonica, where Alessandro held multiple senior positions focused on revenue management, interconnection, and billing. Earlier experience includes consulting roles at Brasil Telecom and PricewaterhouseCoopers, and a position at Banco Real. Alessandro holds an MBA in Planning and Business Management from Universidade Católica de Brasília and a degree in Accounting from PUC Minas.
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Oi
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Oi, formerly known as Telemar, is the largest fixed telephone operator and the fourth mobile telephone operator in Brazil, being the third largest telecommunication company in Latin America.