Management Team

VAMA's Management Team is nominated by the Board of Directors in accordance to the company’s Article of Association. The Management Team is responsible for implementation of the company’s strategy, day to day management and decision making for the business and operations, and building an organization that is adaptable and accountable.


Fernando Ribeiro Teixeira, former Head of ArcelorMittal VEGA, was appointed as the CEO of VAMA in July, 2015.

Fernando started his career in 1987 at CSN company in Brazil, and joined ArcelorMittal in 2001. He worked as a manager of Pickling and Rolling area during the construction phase of ArcelorMittal VEGA, and took charge of hiring and training people, definition and implementation of all operational standards; He was promoted to Production Division Manager in 2005, and was responsible for production and operation business plan, maintenance of all facilities, safety of the employees and etc., he planned new strategy,carried out new organization focused on quality and conduced with WCM department using continuous improvement and Lean Manufacturing concept to solve key issues ; In 2012, he became the CEO of VEGA, and lead VEGA to be the Group’s reference, getting some of the benchmarks in cost, quality and operational performance.

Fernando holds the Masters in Industrial Strategic and Business Management of Federal University Fluminense, and the Bachelor of Mechanical Engineering of State University of San Paulo.

Brian Aranha




Jiao Guohua, Deputy General Manager, Deputy Party Secretary, Chief engineer of Lianyuan Iron & Steel Group Co., Ltd and Lianyuan Iron & Steel Co., Ltd, has been appointed as the Project leader of VAMA in Mar 2011 and as the COO of VAMA in Apr 2013.

Jiao Guohua holds a bachelor and master degree in Metallurgy from Northeastern University and a doctorate degree in Management from Central South University. He is a senior engineer of researcher’s grade and has 25 years work experience in steel industry.

He was successively assigned to the posts of Steel Shop Engineer, Technology & Quality Department Supervisor, Deputy Manager, Manager of No.3 Steel shop, Manager of Sales Department. In Dec 2003, he was appointed as General Manager Assistant and then Deputy General Manager of Lianyuan Iron & Steel Group Co., Ltd (LY Group).

He has concurrently served as Chief Engineer of LY Group since Mar 2007 as well as Deputy Secretary of CPC of LY Group since Mar 2009. He took several management responsibilities within steel business in areas such production, safety, energy, environmental protection, sales, marketing, technology, quality, research and new product development, and accumulated broad experience in production & operations management.

Brian Aranha


Jiao Guohua

COO & Project Leader

Jurgen Cobbaut has been appointed as the CTO of VAMA in Mar 2011. On this position, he is primarily responsible for technology transfer from ArcelorMittal to VAMA, coordinating technical purchase of VAMA's main assets, product development, product quality, quality assurance and development of IT systems which meet the automotive requirements.

He has over 10 years of experience in automotive steel industry with ArcelorMittal. Jurgen has built up an excellent knowledge of the development and quality of different steel grades used in automotive Industry.

From 2005 to 2011, Jurgen worked as Product Development Manager located in the design center of an international OEM. In this function he managed several co-engineering projects to implement steel solutions in car designs, and he supported the development and implementation of new products for body in white applications. From 2003 and 2005, he worked as Quality Manager responsible for the quality and quality improvement of products used by automotive tier one suppliers.

Jurgen Cobbaut holds a master degree in Mechanical Engineering (honours) obtained from the University of Ghent (Belgium).

Brian Aranha


Jurgen Cobbaut


Eduardo D. Brito has been appointed as the CAO of VAMA in Mar 2013. As CAO he is responsible for Health & Safety, Administration, Human Resources, and Procurement.

Before joining VAMA, Eduardo worked as the CEO of VAME (Valin ArcelorMittal Electrical Steel Co., Ltd.) since Mar 2011. He held responsibilities in Technology, Industrial Operation, Sales & Marketing, Administration, Human Resources, and Finance.

From 2008 to 2010, he was Strategy and Projects General Manager of ArcelorMittal Inox Brasil responsible for heading the strategy of all stainless and electrical steel business in South America, from raw materials, including bio-energy, through integrated steel plant up to distribution service centers and tube manufacturing.

Since he joined ArcelorMittal Inox Brasil (formerly Acesita) in 1978 up to 2005, he took several senior management responsibilities and holds broad experience in steel business on operations, production technology, and market strategy

Eduardo is a Metallurgical Engineer from Federal University of Minas Gerais (Brazil) with extension courses on Physical Metallurgy, Technology Management and various Management Programs with Fundação Dom Cabral (Brasil) and Usinor University (France).

Brian Aranha


Eduardo D. Brito


Jochen GRÜNEWALD, 46 years old, has started his career with ArcelorMittal in 1995 when he joined former stated-owned French USINOR-SACILOR Group as technical support manager based in Fos-sur-Mer and later in Florange, responsible for German hot rolled market.

In 1998 he joined the German sales agency in Stuttgart and hold various positions first in operational sales, later on as market responsible for household appliance industry and electrical steels. After the creation of Arcelor, Jochen was appointed Key Account Manager for German appliance manufacturers, and he joined the Automotive sales group in 2006 as Global Account Manager first in charge of DaimlerChrysler, Mitsubishi and German Stampers, later on for Volkswagen Group and for Suzuki.

Jochen joined VAMA project in 2011 as Director Sales and Technical Sales based in Changsha and returned to Europe in 2013 as Head of Automotive Sales inside the Automotive Europe organization. He is responsible for most of the German OEMs and International and local Stampers as well as Suzuki.

Jochen holds a Master Degree of Materials Science from Universität des Saarlandes, Saarbrücken, Germany, and a MBA Degree of ESCP-EAP, Paris, France.

Brian Aranha




Mr. Wu Sihai was appointed as CFO of VAMA in February, 2014. He is fully responsible for the finance management of VAMA.

Mr. Wu holds a bachelor degree on international accounting from Jilin University. His career started in 1998, obtaining more than 18 years of experience in international trade and manufacturing domains. Before joining VAMA, he held the post of management for over 10 years in massive corporations such as Haier and Sinochem International with a long period of oversea work experience, successively assigned as finance manager, senior finance manager, finance director and etc. Mr. Wu have acquired expertise on finance management, risk control, mergers and acquisitions with international perspective.

Mr. Wu Sihai


Wu Sihai