Douglas Vieira de Sousa is a Senior Manager at TIM Brasil since March 2008, having previously held the position of Manager at TIM Celular from May 2009 to March 2012. Prior experience includes roles as an Engenheiro at Ericsson from January 2007 to May 2009, Engenheiro em telecomunicações at Embratel from January 2005 to January 2007, and Tecnico em telecomunicações at Vesper from 1999 to 2005. Douglas Vieira de Sousa holds an MBA in Gestão Estratégica em TI from FGV - Fundação Getulio Vargas, obtained between 2009 and 2011, and a degree in Electrical Engineering - Electronics from Universidade Paulista, completed in 2005.