Management, Boards and Committees

Mr. Vanderlei Rigatieri Junior graduated in Electrical Engineering from the USP Polytechnic School and has MBA from FGV. He has 36 years of experience in the Brazilian ICT market. Before WDC, Vanderlei worked as a software engineer at Digirede Informatica, a software developer for banking automation; he was a sales manager at Troppus Informatica, a computer manufacturer; sales and marketing manager at Monydata, a computer manufacturer; sales manager at Saturnia Sistemas de Energia, manufacturer of UPS systems; VP for Latin America at Cabletron Systems, a manufacturer of networking equipment; commercial director at Tess Celular, a cell phone company; VP of Sales for Latin America at AT&T, a multinational telephone company; and general director of Avaya Brasil, a manufacturer of telecommunications equipment. In 2004, he co-founded WDC, serving as the company's CEO, and later as member of the Board of Directors, in addition to being the controlling shareholder. Mr. Vanderlei Rigatieri Junior does not hold positions in other companies or third sector organizations.

Mr. Felipe Luís Rosa Meldonian has a Bachelor's degree in Business Administration from FGV-EAESP with specialization courses at FDC, INDG and IBGC institutions. He has solid experience in executive positions accumulated over 12 years, with emphasis on acting as CFO at Chilli Beans representing the Private Equity of Gávea Investimentos between 2015 - 2021 and CFO at Codeme Engenharia (Usiminas group) between 2010 - 2015. Recently held the position of FP&A Director at Southrock Capital, contributing to the development of the Brazilian operations of Starbucks, Subway and Eataly. In the financial market, he worked in investment banks and private equity in Brazil and equity research in China. Mr. Felipe Luís Rosa Meldonian currently holds the position of Chief Financial Officer and Investor Relations Officer at WDC Networks.

Mr. Bruno Savassi Rigatieri graduated in Business Administration from FAAP in 2017 and completed technical courses in Purchasing and Supplier Management at FGV in 2020 and 2021. He joined WDC Networks in 2015, working in the Marketing, Finance, and Product departments. He was then promoted to Supervisor of the Product Department. Subsequently, he moved to the Purchasing Department in 2018, becoming a Manager, and in 2019, he was promoted to Director of Purchasing, also taking on responsibility for the Sales Administration department. Mr. Bruno Savassi Rigatieri does not hold positions in other companies or third sector organizations.

Mr. Ferrão de Sousa currently serves as chairman of our board of directors. Since 2010, Mr. Ferrão de Sousa is the managing director at 2B Capital. From 2007 to 2010, Mr. Ferrão de Sousa was responsible for the private equity practice at Banco Espírito Santo in Brazil. Prior to that, Mr. Ferrão de Sousa worked at BESI Brasil from 2001 to 2006, where he was the head of the corporate finance team. From 1999 to 2001, he served as the M&A vice-president at J.P. Morgan in New York, and from 1995 to 1998 as associate at JP Morgan in New York, Mexico City and São Paulo. Mr. Ferrão de Sousa holds a bachelor’s degree in business administration from Catholic University of Portugal (Universidade Católica Portuguesa) and an MBA from Columbia Business School.

Ms. Ruth Aparecida Savassi Rigatieri graduated with a full degree in Portuguese and English from Faculdade São Luís in 1982, and also studied Board of Directors Training in 2025 at the StarSe school. She began her career as a banker in 1981 at Banco do Estado de São Paulo. Later, she started her journey at WDC Networks in 2009 in the Finance Department, and in 2011 she contributed to the creation of the Human Resources department. In 2019, Ruth assumed the position of Director of People & Management. Ms. Ruth Aparecida Savassi Rigatieri does not hold positions in other companies or third sector organizations. She declares that: (i) she has not, in the past five years, been subject to any criminal conviction, conviction in an administrative proceeding by the CVM (Brazilian Securities Commission), or a final and unappealable conviction in the judicial or administrative spheres that has suspended or disqualified her from engaging in professional or commercial activities; and (ii) she is not considered a politically exposed person under the terms of ICVM 301/99.

Mr. Rigatieri Junior currently serves as a member of our board of directors and our chief executive officer. Mr. Rigatieri Junior has 36 years of experience in the Brazilian information and communications technology market. Before co-founding us in 2004, Mr. Rigatieri Junior worked as software engineer at Digirede Informática, a developer of banking automation software; sales manager at Troppus Informática, a computer manufacturer; sales and marketing manager at Monydata, a computer manufacturer; sales manager at Saturnia Sistemas de Energia, a manufacturer of no-break uninterruptible power supply systems; vice-president for Latin America at Cabletron Systems, a manufacturer of networking equipment; commercial officer at Tess Celular, a cell phone carrier; vice-president of sales for Latin America at AT&T; and chief executive officer at Avaya Brasil, a manufacturer of telecommunication equipment. Mr. Rigatieri Junior holds a bachelor's degree in electrical engineering from Polytechnic School of the University of São Paulo (Escola Politécnica da Universidade de São Paulo) and an MBA from Getulio Vargas Foundation (Fundação Getulio Vargas).

Mr. Medeiros currently serves as an independent member of our board of directors. Mr. Medeiros is also a member of the board of directors of Graac and V8 Consulting, a member of the advisory board of Nuvini and partner at JUG Assessoria Empresarial. Mr. Medeiros served as a member of the board of directors of Westfield Almeida Junior (from 2012 to 2013), and Disal (from 2019 to 2020). He worked as chief executive officer of Multiplus (from 2013 to 2019), operating partner at Advent International (from 2011 to 2013), chief executive officer of Rede (from 2008 to 2011), chief executive officer of Telefonica Empresa (from 2002 to 2008), chief operating officer and chief executive officer of Telecom Italia/CRT (from 2000 to 2001), and regional officer of Motorola (from 1994 to 1999). Mr. Medeiros holds a bachelor's degree in electronic engineering from Pontifical Catholic University of Rio de Janeiro (Pontifícia Universidade Católica do Rio de Janeiro) and took the program for management development from Harvard Extension School.

Mr. Luz currently serves as an independent member of our board of directors. Mr. Luz is managing partner at Doing Business Consultoria Empresarial Ltda., focused on corporate governance and finance departments. He is also a member of the board of directors of Ser Educacional, a member of the fiscal council of Linx, and the coordinator of the Ultrapar’s audit committee. Mr. Luz also served as a member of the board of directors of Eletropaulo, Light, Marcopolo, and Sinqia, as well as a member of the fiscal council of Ultrapar, Itaúsa, Duratex, and Isa Cteep. Mr. Luz holds a bachelor's degree in civil engineering from Polytechnic School of the University of São Paulo (Escola Politécnica da Universidade de São Paulo) and took the following certificate programs: (i) business administration and applied economics from Getulio Vargas Foundation (Fundação Getulio Vargas), (ii) corporate finance from Harvard Business School, (iii) marketing strategy from Stanford University, (iv) negotiation from California University – Berkeley, and (v) mergers and acquisitions from Wharton Business School.

Mr. Luz currently serves as an independent member of our board of directors. Mr. Luz is managing partner at Doing Business Consultoria Empresarial Ltda., focused on corporate governance and finance departments. He is also a member of the board of directors of Ser Educacional, a member of the fiscal council of Linx, and the coordinator of the Ultrapar’s audit committee. Mr. Luz also served as a member of the board of directors of Eletropaulo, Light, Marcopolo, and Sinqia, as well as a member of the fiscal council of Ultrapar, Itaúsa, Duratex, and Isa Cteep. Mr. Luz holds a bachelor’s degree in civil engineering from Polytechnic School of the University of São Paulo (Escola Politécnica da Universidade de São Paulo) and took the following certificate programs: (i) business administration and applied economics from Getulio Vargas Foundation (Fundação Getulio Vargas), (ii) corporate finance from Harvard Business School, (iii) marketing strategy from Stanford University, (iv) negotiation from California University – Berkeley, and (v) mergers and acquisitions from Wharton Business School.

Mr. Vertamatti currently serves as a member of our audit committee. Before joining us, he acted as a member of the board of directors of Coimex and as a chairman of the board of directors of Associação Nacional dos Executivos de Finanças, Administração e Contabilidade – ANEFAC, where he still holds a position as a member. Mr. Vertamatti currently is member of the board of directors of W2Conn, and professor in specialization and MBA programs at Faculty of Informatics and Public Administration (Faculdade de Informática e Administração Pública) and Getulio Vargas Foundation (Fundação Getulio Vargas). He also teaches in master’s and doctor’s programs at Florida Christian University and is the coordinator of the MBA program in strategic controllership and tax management at Municipal University of São Caetano do Sul (Universidade Municipal de São Caetano do Sul). Mr. Vertamatti holds a bachelor’s degree in economic sciences and in accounting from Santo André Foundation (Fundação Santo André), a master’s degree in controllership from University of São Paulo (Universidade de São Paulo) and doctor’s and post-doctor’s degrees from Florida Christian University.

Mr. Falleiros currently serves as a member of our audit committee. He worked as an investment officer at Banco Multiplic (1992), market relations superintendent at SABESP (1997), and corporate finance manager and commercial officer at Banco Real de Investimento (1998). In 2000, Mr. Falleiros founded a consulting company named Fasce and started to serve as an independent member on several boards of directors, namely Tele Norte Celular Participações, Cerâmica Chiarelli, Lorenge, Financeira Alfa, São Paulo Turismo, Associação Congregação Santa Catarina, Construtora Julio & Julio, and Universidade Tiradentes. He also acted as a member of the fiscal council of numerous companies. Mr. Falleiros holds a bachelor’s degree in economic sciences from University of Campinas (Universidade Estadual de Campinas), took an economics certificate program from Pontifical Catholic University of São Paulo (Pontifícia Universidade Católica de São Paulo), and holds an MBA in finance from Faculty of Campinas (Faculdade de Campinas).