Board of directors

Marcelo Botelho


Marcelo Botelho holds a bachelor’s degree in Mechanical Engineering from Universidade Federal Fluminense (UFF); a Master’s in Production Engineering (Finances) from the Pontifícia Universidade Católica do Rio de Janeiro and an MBA from COOPEAD – Graduate School of Business at Universidade Federal do Rio de Janeiro (UFRJ).

With distinguished experience in the steel industry, he is specialized in business management, controllership, corporate governance, finance, taxes control and planning, IT, negotiation, leadership and team building. He has over 20 years of experience in multinationals, working at leading companies in their markets, in the areas of finance & controllership at Vale, among others.

Marcio Calux


Marcio Calux has over 15 years of experience in finance, project and processes management, having work the at Vale for the last 12 years. He has foreign experience in Singapore and he worked in international projects in Australia, Asia, South American and Canada. He has a degree in Management (IMD/ Switzerland) and Transformational Leadership (MIT/EUA), in addition to his Master’s Degree in Business Administration focused on Organizational Behavior (COPPEAD/UFRJ), graduation degree in Accounting (FGV/ São Paulo) and undergraduate degree in Industrial Engineering (PUC/RJ).

Chiho Chang


Chiho Chang holds a Master’s Degree in Business Management earned in California/US, and a graduate degree in Project Engineering from the Faculty of Physical and Mathematical Sciences at University of Chile. He has over 27 years of experience working in engineering, business, project and process management, the past 17 being at Dongkuk Steel. His international experience includes the United States, Mexico and South Korea.

Chang has been with CSP since 2012, working as Administrative Officer and after that in the general managements of Administration, Strategy & Communication, and Management & Integration.

Youngdo Park


Youngdo Park has a bachelor’s degree in Metallurgical Engineering from Kyungpook National University and a Master’s degree from the Institute of Ferrous Technology – Pohang University of Science and Technology, both in South Korea.

With 28 years of experience in the steel industry, he has worked in several areas in the implementation of projects and processes aimed at developing the performance of teams and operational technology in several Posco Steelworks, in South Korea and regions such as PTKP – Krakatau / Indonesia.