Josemar Paiva is an experienced IT professional with a robust career spanning over three decades. Currently serving as Gerente TI at Claro Brasil since May 2007 and simultaneously working as Infrastructure Manager at Embratel, Josemar has made significant contributions to projects such as Portabilidade Numérica, which facilitated data sharing among telecom operators for number portability. Notable achievements include overseeing Mainframe platform migrations and the insourcing of infrastructure from the IBM Data Center in Hortolandia. Prior roles include Gerente de Infra-estrutura at Citibank and Gerente de TI at Banco Cindam. Josemar holds two MBA degrees from COPPEAD UFRJ, earned between 1999 and 2002.