Gerdau S A (GGB) Directors and Executive Officers

Officers & Directors

The Board of Executive Officers comprises Gustavo Werneck da Cunha as Chief Executive Officer (CEO); Rafael Dorneles Japur as Executive Vice-President, Chief Financial Officer (CFO), and Investor Relations Officer; Executive Vice-Presidents Marcos Eduardo Faraco Wahrhaftig, Maurício Metz, and Rafael Gamboa Lopes (elected February 23, 2026); and Officers Cesar Obino da Rosa Peres, Carlos Eduardo Vieira da Silva, Flávia Dias da Silva de Souza, and Wendel Gomes da Silva. The Board of Directors includes André Bier Gerdau Johannpeter as Chairman, with 43 years of experience at Gerdau, serving as CEO from 2007 to 2017 and as President of the World Steel Association from 2018 to 2019. Claudio Johannpeter serves as Vice-Chairman, with 43 years at Gerdau, having been Chief Operating Officer from 2017 to 2012 and holding board chairmanships at Gerdau S.A. and Metalúrgica Gerdau SA. Guilherme Chagas Gerdau Johannpeter is also Vice-Chairman, with 40 years at Gerdau, having served as Executive Vice President coordinating various business operations from 2014 to 2017 and holding multiple board memberships. Alberto Fernandes, a Board Member born in 1962, holds a degree in Mechanical and Production Engineering from the University of São Paulo (USP) and began his career in the financial market in 1986.

Gerdau S a currently has 6614 employees.