Cristiane Barretto

Cristiane Barretto's work experience includes:

- CFO at Oi since September 2021 (currently ongoing)

- Diretora de Planejamento e Gestão Financeira at Claro Brasil from August 2019 to August 2021

- Founder of CB Assessoria Empresarial Ltda. from March 2019 to September 2019

- Conselheira de Administração and CFO at Contax S.A. from April 2016 to January 2018 and from January 2018 to April 2018, respectively

- Vice Presidente de Gestão de Clientes, Estratégia e Qualidade, Diretora Executiva de Estratégia e Relações com Investidores, Diretoria Executiva de Controladoria, CFO, and Controller at Vivo (Telefônica Brasil) from October 2013 to March 2015, from January 2013 to September 2013, from May 2011 to December 2012, from August 2009 to April 2011, and from June 2003 to July 2009, respectively

- CFO at Telebahia Celular S.A. from August 2000 to May 2003

- Audit Senior Manager at Arthur Andersen & Co. from August 1990 to July 2000.

Cristiane Barretto completed their education history with a Master of Business Administration (MBA) degree from IESE Business School in 2002 and a prior MBA degree from FGV - Fundação Getulio Vargas in 2001. Cristiane also earned a Bachelor's degree in Business Administration from Universidade Salvador between 1986 and 1990.