Christiano Vieira da Silva is an electrical engineer with a master's degree in economics. He has over 25 years of professional experience, 18 of which have been dedicated to the regulation of the Brazilian power sector. Since May 2022, he has held the position of Director of Operation at ONS, the Brazilian Power System Operator. He served as the National Secretary of Electric Energy at the Ministry of Mines and Energy - MME from 2021 to 2022. Between 2006 and 2021, he held the positions of Deputy Director, Superintendent of Generation Services Regulation, Advisor to the Board of Directors, and Deputy Superintendent of Market Studies, all at ANEEL, the Brazilian Electricity Regulator.