Board of Directors

The Board of Directors of Loma Negra is elected by the shareholders to oversee the strategic direction of the Company with a view to enhancing long-term shareholder value. To fulfill its duties, the Board of Directors follows the procedures and standards that are set forth in our Code of Ethics and internal policies. Currently, approximately 43% of our Board members qualify as independent.

Paulo Diniz

Mr. Diniz was appointed as a member of our board of directors in July 2017. Since 2019, Mr. Diniz chairs the Results, Finance and Strategy Committee and he was appointed in April 2023 as member of the People and Governance Committee of Loma Negra. Mr. Diniz is the Chief Executive Officer of InterCement Participações, S.A. and a member of its Executive Board, overseeing the operational performance of InterCement Group companies, including ESG policies and execution. Mr. Diniz is also a member of the board of directors of InterCement Brasil S.A., of InterCement Portugal S.A., and a member of Instituto InterCement, with focus on providing self-development in communities in need. Paulo has over thirty years of experience in finance and general management, in companies in Brazil and abroad, such as: Amyris, Inc., Bunge Limited, Carrier Corporation, Cosan S.A., F. Hoffmann-La Roche AG and Telecom Italia. Mr. Diniz received a bachelor’s degree in Industrial Engineering from Politécnica-USP in São Paulo, a master’s degree in Business Administration from IMD in Switzerland, and a specialization in human resources from INSEAD in France.

Sergio Damian Faifman

Mr. Faifman was appointed as a member of our board of directors in August 2012. He has also acted as Vice-President of our board of directors and CEO since November 2016. In addition, Mr. Faifman also currently serves as president of the board of directors of Ferrosur Roca S.A., Cofesur S.A. and Recycomb S.A.U., and Vice-President of Loma Negra. In November 2016, Mr. Faifman was appointed President of the National Association of Portland Cement Producers and the Argentine Institute of Portland Cement. Mr. Faifman joined the company in November 1994 and, since then, has held a number of positions, including Logistics and Supply Director from June 2015 until November 2016 and Chief Financial Officer between August 2012 and June 2015. Mr. Faifman has also served as Superintendent of Corporate Comptroller at InterCement Brasil from September 2010 until August 2012 and as Comptroller and Tax Manager at Loma Negra from May 2006 until September 2010. Mr. Faifman received a bachelor’s degree in Public Accountancy from Universidad de Buenos Aires in 1997 and an MBA from Universidad del CEMA in 2002.

Sergio Daniel Alonso

Mr. Alonso was appointed as a member of our board of directors in July 2017. Mr. Alonso has served as executive director (CEO) of Arcos Dorados since 2015. From 2008 to 2015, he served as COO of Arcos Dorados and as CEO of McDonald’s of Brazil from 2003 to 2008. He also served as managing partner of Aroma from 1999 to 2003. Mr. Alonso served as General Manager of business subsidiaries and as director of commercial operations of CIADEA and RENAULT from 1996 to 1999. He served as Vice-President of Operations, Manager of Operations, Director and member of the Finance Committee, Accounting Manager and Accounting Director of Arcos Dorados- McDonald’s from 1989 to 1996. Mr. Alonso received a degree as a Certified Public Accountant from Universidad de Buenos Aires in Argentina.

Laura Gé

Mrs. Laura Gé is a member of the board of directors of Banco Santander in Argentina, Farmacity S.A. and Austral Participacoes in Brazil (nominated by the IFC). She also serves as from 2016 as Senior Executive Advisor of Grupo Sancor Seguros and Advisor of the board of directors of Wiener Lab S.A. She has more than 10 years of experience in management consulting, having led the Buenos Aires and Chile offices of Integration Consulting and having served as manager at Hermes Management Consulting and the consultancy firm The Boston Consulting Group. She served as CEO of the outdoor advertising company MECA and she was a member of the Executive Committee at CIMECO, a holding owning Los Andes de Mendoza and La Voz del Interior newspapers and serving as board member of these two companies. She served as CEO of the Sunday magazine Rumbos, included in most of the newspapers published in the interior of Argentina. She also has experience in Venture Capital and Private Equity funds, having served as Director of Pegasus Capital and manager of I5, and Hicks, Muse, Tate & Furst, among others. Mrs. Laura Gé is a Certified Public Accountant graduated with honors from Universidad de Buenos Aires and she obtained an MBA from Harvard Business School, where she also graduated with honors. She is a leader at the Corporate Governance Group from IDEA and she performed as member of the organizational committee of several Conferences and the Management Experience event of such entity. She is a member of the Women Corporate Directors (WCD), the Consultancy Committee of LIDE Argentina and a member of the staff of the post-graduate professors at the Administration and Social Sciences Faculty of the University ORT in Uruguay, where she lectures on business management. In April 2023 she was appointed member of Loma Negra’s board of directors and member of the Audit Committee and member of the Risks and Reputational Committee of Loma Negra.

Javier Graña

Mr. Graña obtained a Licentiate Degree in Economics from Pontificia Universidad Catolica Argentina in 1994, a Master in Finance from Centro de Estudios Macroeconómicos Argentinos (CEMA) in 1995 and a MBA from Harvad Business School in 2000. From April 2013 to the beginning of 2019 Mr. Graña was a Managing Director and Head of Investment Banking for LatAm Ex-Brazil of ItauBBA (wholly-owned subsidiary of Itau Unibanco) based in Buenos Aires. Previously, between 1999 and 2013, Mr. Graña worked at Morgan Stanley & Co. in New York; as a Managing Director in the Mergers & Acquisitions Department from 1999 to 2011 and then as a Managing Director and Co-Head of Latin America Mergers & Acquisitions. Before, from 1996 to 1998 he was associate of the Investment Banking Division of Deutsche Morgan Grenfell and, previously, he was analyst of the capital markets division of Banco Rio de la Plata S.A.

Humberto Junqueira de Farias

Humberto Junqueira de Farias. Mr. Junqueira de Farias was appointed as member of our board of directors in April 2025. He is a member of the following Loma Negra’s Committee: Results, Finance and Strategy Committee and Risks and Reputtional Committe. Mr. Junqueira de Farias currently serves as a member of the Board of Directors of Mover Participações, the Advisory Board of Bueno Netto Engenharia, and the Instituto Vencer o Câncer (pro bono). Additionally, he is a Senior Advisor at GeoBiogas & Carbon. Previously, he was a member of the Board of Directors of JBS Global, Eldorado Brasil Celulose, Loga – Logística Ambiental S.A., Essencis Soluções Ambientais S.A., and the Advisory Board of CSBrasil (Grupo Simpar). He also served as CEO of Âmbar Energia, Renuka do Brasil, Intercement, Loma Negra (Argentina), and CAVO Serviço e Meio Ambiente S.A., accumulating extensive experience in business leadership and strategic management. He holds a degree in Civil Engineering and Business Administration from Mackenzie University. He also holds a postgraduate degree in Industrial Administration from Fundação Vanzolini - USP and a specialization in Management from IMD - Switzerland. Furthermore, he completed the Advanced Board Member Course at IBGC and is a member of the Young Presidents’ Organization, where he has held the presidency of the Paulista, Metropolitan, and Gold São Paulo Chapters (pro bono). He has experience in various industries, including agribusiness, sanitation, environmental services, food, bioenergy, engineering and construction, energy, gas, infrastructure, and building materials. Additionally, he has a strong background in large organizations in Brazil and abroad, managing mergers and acquisitions (M&A), internationalization, turnaround processes, crisis management, innovation, and technology. He has also participated in the boards of various entities, including SELUR (Union of Urban Cleaning Companies of the State of São Paulo), AFCP (Portland Cement Manufacturers Association in Argentina), SNIC (National Union of the Cement Industry), and ÚNICA (Sugarcane and Bioenergy Industry Union).

Javier Enrique Patron

Mr. Patrón joined Marval O'Farrell Mairal (the largest law firm in Argentina and a market leader at both local and Latin American level) in 1992 and he has been a partner since 1997. He leads the employment litigation sector and specializes in providing legal support to international clients doing business in Argentina. He currently chairs the firm’s labor and employment law department and has been managing partner since 2015. He graduated as a lawyer from the Museo Social Argentino University in 1988, where he also worked as an assistant professor in Labor and Social Security Law until 2008.  Furthermore, he has also worked as assistant professor at the Universidad de Buenos Aires from 1988 to 2008. Ranked in Band 1 in Chambers & Partners Latin America, he is listed as “Leading Lawyer” in Legal 500 and recommended in the Argentina Labor section of Who’s Who Legal & LL250. Mr. Patron also won the LACCA Thought Leader award in Labor Law in 2021 and is listed in the “LACCA Approved 2021” guide. He has also written numerous articles in well-known international publications and contributed to the following books: “The International Law Review” and “The International Employment Law.”