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Mario Cesar Pereira de Araujo. Mr. Araujo has been our Chief Executive Officer of TIM Participações S.A. since May 4, 2006. He has also served as a member and chairman of several boards, including TIM Brasil S.A. and TIM Celular S.A., among others. He has also been the Chief Executive Officer and Technology Officer of Tele Nordeste Celular since April 2003. From 1999 to 2002, he served as the Chief Executive Officer of Norte Brasil Telecom. From 1998 to 1999, he served as Chief Executive Officer of Tele Centro Oeste Celular. From 1997 to 1998, he served as a Manager of Services in the areas of paging, trunking and internet services at Splice do Brasil S.A. From 1977 to 1997, he worked at Embratel as a Manager of Data Communications, an Assistant to the Director of Engineering and as a Manager of the Department of Corporate Clients. From 1973 to 1977, he worked in the data and text communications department of Telerj. He holds a degree in electrical engineering from Universidade Federal do Rio de Janeiro UFRJ.
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