Investor Relations

Administration and Governance


The mission of the Executive Board is to establish guidelines for Usiminas’ management, directing them in internal and external relations. It has its obligation to act in an ethical manner, focused on the interests of diverse parties (stakeholders) involved in each one of the companies and, at the same time, focus on the high quality of the products and services offered to society, promoting socio-environmental corporate responsibility.

Like members of the Board of Directors, the executive officers have two-year terms, with possibility of re-election.

Learn about the members of the Executive Board of Usiminas:

Name Office
Alberto Ono CEO

He holds a degree in Metallurgical Engineering from USP, where he also completed his master’s degree in the same area. He later completed his PhD at the University of Tokyo, Japan.

He has worked at Usiminas since 2009, where he held the positions of Director of Planning and Control and Vice President of Finance and Investor Relations. The executive also worked at Aços Villares, CBMM and Grupo Votorantim.

Thiago da Fonseca Rodrigues CFO and IRO - Finance and Investor Relations Vice-President Officer

Graduated in Business Administration from PUC-RJ and post-graduated in Management from IBMEC-RJ, he participated in executive programs in Switzerland and England.

He worked, among other companies, in the Brazilian operation of Ternium and Vale. He is a former member of the Tax Affairs Council of Firjan and of the Audit Committee of Usiminas. He was director of the Brazilian Foreign Trade Association (AEB).

Américo Ferreira Neto Industrial Vice-President Officer

An electrical industrial engineer graduated from Unisanta, specializing in industrial automation and an MBA in project management, he also holds a master’s degree in electrical engineering from the Polytechnic School of the University of São Paulo.

With a career spanning more than 30 years at Usiminas, he worked in the areas of Maintenance, Hot and Cold Rolling and, in 2016, became the executive director of Usina de Cubatão. In 2019, he held the same position at the Ipatinga Power Plant until reaching the Industrial Vice-Presidency in 2020.

Toshihiro Miyakoshi Vice-President of Technology and Quality

Graduated in metallurgy, he started his career at Nippon Steel, having held several positions directly linked to production and management.

Toshihiro Miyakoshi returns to Brazil for his second season at the company, after a stint at Unigal in 2014.

Miguel Angel Homes Camejo Commercial Director Vice-President

Economist graduated from the Catholic University of Caracas, he participated in executive education programs at the universities of Chicago and Stanford, in the USA.

He has a career spanning more than 20 years dedicated to the steel sector, having held several positions in the Ternium Techint group in countries such as Venezuela, Argentina, Mexico and Colombia. He has been at the head of the commercial vice-presidency at Usiminas for four years.

Gino Eugenio Ritagliati Corporate Planning Vice President Officer

Graduated in Accounting, with specializations in Economics and Finance, he was a member of the Audit Committee at Usiminas. He has more than 15 years of experience in positions in the Economic, Commercial and Industrial Engineering areas of the Ternium Techint group in Argentina and Brazil.


The Board of Directors of Usiminas should establish general orientation for business and decide on strategic matters, with purpose of carrying out the following guidelines:

  • Promote the continuous growth of the Company, always respecting its values and its social function, exercising its legal and statutory competence and observing the corporate purpose of the Company and its controlled, subsidiary and associated companies.
  • Ensure the interests of all shareholders, without disregarding the other stakeholders;
  • Ensure the perpetuity of the Company within a long-range perspective and of sustainability, which incorporates considerations of a social, environmental and corporate governance nature in the definition of business and operations;
  • Adopt an agile management structure, made up of qualified professionals with a spotless reputation;
  • Formulate guidelines for the management of the Company and its subsidiaries and associated companies, which will be reflected in the annual budget;
  • Ensure that the strategies and guidelines are effectively implemented by the Executive Board, without, nevertheless, interfering in operational matters;
  • Prevent and manage situations of conflict of interest or divergence of opinions in such a manner that the Company’s interest always prevails.

It is the Board’s responsibility to elect the Executive Officer and determine his functions. The Board is in permanent evolution to adapt to market requirements.

The Board is made up of nine effective members – and their respective alternates – elected in a General Shareholders’ Meeting for a term of two years, re-election being permitted, which meets normally four times a year, as per a previously established schedule. Extraordinary meetings always occur as deemed by the corporate interests.

Learn about the Board of Directors Members:


Name Office
Sergio Leite de Andrade Board of Directors President

Holds a BS degree in Metallurgical Engineering by the Federal University of Rio de Janeiro (UFRJ) and a Master’s degree in Metallurgical Engineering by the Federal University of Minas Gerais (UFMG). At the company, he was a Research Engineer, Heavy Plate Integrated Control Engineer, Head of the Steel Shop Metallurgical Unit and Slabbing Mill, Head of the Standardization Unit for Heavy Plates, Hot and Cold Rolled Coils, Superintendent of the Research and Development Center; President, Quality Commission; and Superintendent of Marketing. He held the posts of President/Director of Business.

Elias de Matos Brito Member
Hiroshi Ono Member
Edílio Ramos Veloso Member
Oscar Montero Martinez Member
Roberto Luis Prosdocimi Maia Member
Ruy Roberto Hirschheimer Member

Holds a BS in Business Administration by the Getúlio Vargas Foundation, having taken part in the International Competitive Strategy Seminar, Harvard Business School. He was a Financial Analyst at Cargill Agrícola S.A.; Division Controller, Alcoa Alumínio S.A.; Planning and Control Director, Vidraria Santa Marina S.A. (Saint Gobain Group); CFO and CAO, Igaras Pápeis e Embalagem S.A.; CFO and IR Director, Klabin S.A.; CFO/Director, Bertin S.A. He was the Finance and Investor Relations Vice-President Officer at USIMINAS and at present, he is an Effective Member of the Board of Directors of the Company.

Yuichi Akiyama Member
Fabrício Santos Debortoli Member


Name Office
Fernando Duelo Van Deusen Member
Walace Caldeira Pinto Member
Henrique de Rezende Vergara Member
Mario Giuseppe Antonio Galli Member
Tatsuya Miyahara Member
Yusuke Tajiri Member
Guilherme Poggiali Almeida Member
Romolo Gonçalves de Paula Member
Patrícia Valente Stierli Member


Made up of members elected in General Meeting, the Permanent Fiscal Council should audit Usiminas’ management and certify that they are performing their legal duties, as set forth in the Company By-Laws.

The Fiscal Council also analyzes the accounting statements, gives an opinion on the investment plans and budgets and issues an opinion in case of proposals modifying the capital, dividend distribution or in the case of transformation, incorporation, merger or cession related to companies of the group.

Learn about the effective members of the Usiminas Fiscal Council:

Name Office
Paulo Roberto Bellentani Brandão Member
Paulo Frank Coelho da Rocha Member

Graduated in Law by the Law Faculty of the University of São Paulo. Concluded his Master’s (LL.M.) in Corporation Law at New York University School of Law. Acted as Foreign Associate at the law offices of Cravath, Swaine & Moore in New York City. At present, he is a Member of the International Bar Association, of the Advisory Board of the “Working Group on Legal Opinions” of the American Bar Association; and the Brazil-United States Chamber of Commerce. He is co-author of the book “Business Laws of Brazil”. He has held the position of partner of the law offices of Demarest e Almeida since 2003. At present, he is a Member of the Fiscal Council of the Company.

Sérgio Carvalho Campos Member
Tácito Barbosa Coelho Monteiro Filho Member
Wanderley Resende de Souza Member