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Our Executive Board

Meet the members of our Executive Board. Check out their professional backgrounds.

Roberto Castello Branco

foto-roberto-castello-branco.jpgRoberto Castello Branco is Petrobras CEO. He holds a bachelor's degree in economics, with a doctorate from Fundação Getulio Vargas (FGV EPGE) and a postdoctoral degree from University of Chicago. He participated in executive training programs at Sloan School of Management (MIT) and International Institute for Management Development (IMD). He is affiliated professor at EPGE (FGV), also acting as director at Centro de Estudos em Crescimento e Desenvolvimento Econômico in this institution. He was a director at Vale S.A., Banco Central do Brasil, Banco Boavista, Banco Boavista Investimentos and Banco InterAtlântico. He was a member of Petrobras´ Board of Directors between May 2015 and April 2016, GRU Airport and Invepar, as well as a member of the Board of Directors of ABRASCA, Director of the American Chamber of Commerce (RJ) and a member of the Board of Directors of IBEF and Board of Curators of FGV. He was president of the Instituto Brasileiro de Relações com Investidores, executive president of IBMEC and vice president of the Brazil-Canada Chamber of Commerce.

André Barreto Chiarini

diretor-Andr_-Chiarini190x310px.jpgAndré Barreto Chiarini is the Chief Trading & Logistics Officer. He is a chemical engineer by UFRJ and Master in Business Administration by COPPEAD/UFRJ, with interchangeat the Master of International Management (MIM) of AGSIM/Thunderbird. He has participated in executive training programs at Sloan School of Management (MIT), IMD, Chicago Booth and University of Michigan Business School. He has more than 20 years of a career in Logistics, working at the head of operations, planning, business development, and corporate functions, in several countries. In addition to founding 3 other companies, he was Chief Planning and Logistics Development Officer at Vale, Chief International of Shared Services Officer (based in Switzerland at Vale International), Chief Electronics and Consumer Goods Officer at TNT Logistics and Senior Associate at the Operations Competency Center at Booz & Co. He had been the Petrobras CEO´s advisor for logistics since November 2019.

Andrea Marques de Almeida

diretora_andrea_.jpgAndrea Marques de Almeida is the Company's Chief Financial and Investor Relations Officer.  She is a production engineer, with an MBA in Finance from IBMEC-RJ and an MBA in management from USP, as well as management courses at the Wharton School of Finance and Sloan School of Management (MIT). Worked in Vale S.A. for 25 years with extensive experience in Corporate Finance, Global Treasury and Risk Management. Was CFO of Vale Canada in Toronto from 2015 to 2018, most recently holding the position of Global Treasury Executive Manager at Vale.

Anelise Lara

Anelise LaraAnelise Lara is Chief Refining and Gas Natural Officer. She holds a degree in chemical engineering from the Federal University of Minas Gerais, with a master’s degree in petroleum engineering from the Federal University of Ouro Preto and a PhD. in Sciences de la Terre by the Université Pierre et Marie Curie, in France. She holds an MBA in executive management from IBMEC and in advanced business management by COPPEAD. She has been with Petrobras for more than 30 years and has held several management positions in the areas of research, reservoir engineering and pre-salt project development. Since May 2016 she has held the position of Executive Manager of Acquisitions & Divestments. She chaired the Brazil Section of the Society of Petroleum Engineers (SPE), was a member of the Board of SPE International until 2017, and is currently a member of the IBP Diversity Committee, having participated in its creation in 2018.

Carlos Alberto Pereira de Oliveira

curriculo_diretor_carlos-alberto.jpgCarlos Alberto Pereira de Oliveira is Chief Exploration and Production Executive Officer. He holds a degree in Mechanical Engineering from the Military Institute of Engineering, and Business Administration from the Federal University of Rio de Janeiro. He holds a master's degree in Finance and Investment Analysis from the Pontifical Catholic University of Rio Janeiro. He has been with Petrobras for 38 years and has held several executive positions in the Exploration and Production area linked to the senior management of the Petrobras System companies.

Marcelo Zenkner

foto-diretor-marcelo.jpgMarcelo Zenkner holds a BA. in Law from the Federal University of Juiz de Fora (UFJF), specializing in Civil Procedural Law from the Catholic University of Petrópolis (UCP), Master in Fundamental Constitutional Rights and Guarantees from the School of Law of Vitória (FDV) and PhD. in Public Law, from the Universidade Nova de Lisboa (FDUNL).  He worked as Public Prosecutor, member of the Prosecution Service of the State of Espírito Santo, where he held the position of Secretary of State for Control and Transparency of the State of Espírito Santo. Since February 2019, he has held the position of CEO Consultant and member of the Petrobras Disciplinary Actions Committee, directly linked to the Board of Directors.

Nicolás Simone

nicolas-simone.jpgNicolás Simone is Digital Transformation and Innovation Officer. Simone is a Software and Systems Engineer from O.R.T University (Uruguay), with extensive international experience and knowledge of information technology, digital transformation, cyber security, AI, omnichannel, innovation, sales, logistics, process reengineering and industry 4.0. He has led transformational global projects and held leadership positions in large companies.

Roberto Ardenghy

foto-diretor-ardenghy.jpgRoberto Furian Ardenghy is Chief Institutional Relations and Sustainability Officer. Ardenghy holds a B.A. in Law from the Federal University of Santa Maria and holds graduate degrees in International Relations and Diplomacy, from the Diplomatic Academy of Rio Branco Institute, and Economics of Oil and Gas, from COPPE at the Federal University of Rio de Janeiro. Along his professional diplomatic career, he has held a number of positions in the Federal Government in Brasília, in the Civil Affairs of the Presidency of the Republic and in the Ministries of Foreign Affairs, Justice, Development, Industry and Trade, the Federal Administration Secretariat and the Brazilian Embassies in Washington and Buenos Aires. He was also Honorary President of the Brazil-Texas Chamber of Commerce (BRATECC) and Deputy Consul General at the Brazilian Consulate General in New York from May 2017 to January 2019. Since then, he has held the position of Chief of Staff of the CEO Office at Petrobras, until being appointed to the Board of Executive Officers.

Rudimar Andreis Lorenzatto

curriculo_diretor_rudimar.jpgRudimar Andreis Lorenzatto is Production Development Director. He holds a degree in Civil Engineering from the University of Santa Maria in Rio Grande do Sul, and a MBA from Getúlio Vargas Foundation and other institutions abroad. He has been with Petrobras for more than 30 years, having held multiple management positions in well construction, production operations and subsea systems areas.