Cristiane Barretto Sales

Cristiane Barretto Sales is currently the Director-Entrepreneurial Winning Women at Ernst & Young Global Ltd.
since 2018.
She is also currently serving as the Chief Financial Officer at Oi SA since 2021.
In her former positions, Ms. Barretto Sales worked as the Director-Finance & Management at Tele Leste Celular Participações SA from 2000 to 2003.
She also held the position of Director-Investor Relations & Controller at Vivo Participaçoes SA from 2011 to 2012.
Additionally, she served as the Executive Director-Planning & Financial Management at Claro SA. From 2009 to 2015, she worked as the Director-Controllership at Vivo SA. Ms. Barretto Sales also held the position of Director-Finance & Management at Telebahia Celular SA from 2000 to 2005 and at Telergipe Celular SA from 2000 to 2003.
She served as the Executive VP-Clients, Strategy & Quality at Telefonica Brasil SA from 2011 to 2015.
Furthermore, she worked as the Chief Financial Officer at Telemig Celular SA and ATMA Participações SA. She started her career as a Senior Manager-Audit at Arthur Andersen & Co. SC.
Ms. Barretto Sales completed her undergraduate degree at the University of Navarra and Salvador University.