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Christiano Barbosa is an experienced electrical and automation supervisor currently working at Grupo ²Ñ³Ü±ô³Ù¾±³Ù鳦²Ô¾±³¦²¹ since July 2023. Prior to this role, Christiano served as Supervisor of Electrical Maintenance and Instrumentation at Nexa Resources from September 2020 to October 2023. Earlier experiences at Vale spanned from January 2009 to September 2020, where Christiano held various supervisory positions, including Supervisor of Preventive Electrical Maintenance and Instrumentation, focusing on maintenance and operation of mining equipment. Christiano holds a Bachelor's degree in Accounting from UFPA and a Technical degree in Instrumentation from Coltec - Colégio Técnico da UFMG.