Board of Directors, CEO, and Vice-Presidents


Roque Eduardo Benavides Ganoza

Chairman of the Board

Year of birth: 1954
Gender: Male 

Received his degree in Civil Engineering from the Pontifical Catholic University of Peru (PUCP) in 1977. Master of Business Administration from the Henley Business School at the University of Reading in the U.K. in 1980. Completed the Management Development Program at the Harvard Business School in 1985 and the Advanced Management Programme at Oxford University in 1997. He is currently Chairman of the Board and Director of some of the Company’s related entities. He is also a member of the Board of Directors of Sociedad Minera El Brocal and Banco de Crédito del Perú. He was member of the board of UNACEM from 2010 to 2020. He was previously President of the Peruvian Mining, Oil, and Energy Association (SNMPE) and the Peruvian Confederation of Private Business Institutions (CONFIEP).

William Henry Champion

Lead Director and Independent Director

Year of birth: 1952
Gender: Male

Bachelor’s Degree in Chemical Engineering and Biology from the University of Arizona, in Tucson, Arizona, U.S.A. He has been a Member of the Board since January 2016. He is also a Director of Gladiator Mining Group LLC, a private mining investment company based in the United States. Over 40 years of executive, management, and operating experience in the mining sector. He worked at Rio Tinto PLC from 2002 to 2014 in different positions; was Managing Director of Rio Tinto Coal Australia, Managing Director of Rio Tinto Diamonds, and President and CEO of Kennecott Utah Copper. He also worked at Phelps Dodge Mining Company from 1984 to 1995, where he held different positions (President of de Phelps Dodge Chile).

Diego Eduardo Martín de la Torre de la Piedra

Independent Director

Year of birth: 1962
Gender: Male

Holds a Bachelor’s Degree in Business Administration from Universidad del Pacífico in Lima and an MBA from the London Business School in England. He is a cofounder and Chairman of the Board of La Viga and Quikrete Perú. He is also a member of the Advisory Committee of the David Rockefeller Center for Latin American Studies at Harvard University, as well as an economics columnist for the newspaper El Comercio. He was previously a professor at the Universidad del Pacífico for twelve years, and a member of the Board of Directors of important companies and institutions such as Endeavor Perú, IPAE, and Perú 2021. Since 2005, he has been the President of the United Nations Global Compact in Peru. In 2013, he received the award “Empresario Integral” given by the Latin American Business Council. Also, in 2015, he was selected among the Top 100 influential leaders by AACSB International. He has been a member of Buenaventura’s Board of Directors since 2017.

Nicole Edel Laure Marie Bernex Weiss de Falen

Independent Director

Year of birth: 1950
Gender: Female

PhD in Geography from the Paul Valéry University of Montpellier (France). Professor of the Department of Humanities of the Pontifical Catholic University of Peru (PUCP). Academic Director of the Research Center in Applied Geography (CIGA) of the PUCP. President of the Geographic Society of Lima and President Emeritus of the Peruvian Forum for Water (GWP Peru). Member of the National Academy of Sciences of Peru and national focal point of the Water Program of the Inter-American Network of Academies of Sciences (IANAS). Member of the Steering Committee of 2030 WRG. Director of several research projects and programs, such as the "Scientific, legal and financial design of the Scientific Institute of Water - ICA" (CONCYTEC-IRD-PUCP) and the "Water, Climate and Development Program - PACyD" of Global Water Partnership South America. She has more than 160 publications among books and articles.

Marco Antonio Zaldívar García

Independent Director

Year of birth: 1960
Gender: Male

Certified Public Accountant by Universidad de Lima, graduated from the Management Development Program by PAD from Universidad de Piura and MBA by Adolfo Ibáñez School of Management, USA. Independent Director of various companies as Backus & Johnston, Banco Santander and Cementos Pacasmayo. He has been Chairman of the Board of the Lima Stock Exchange and Second Vicepresidente of Confiep, among other assignments.

Raúl Benavides


Bachelor’s Degree in Mining Engineering from the University of Missouri—Rolla, Master of Mining Administration from Pennsylvania State University, and completed the Advanced Management Program at Harvard Business School (AMP-160). He has served as President of the IIMP, as well as being the Founder and President of the Mining Safety Institute (ISEM). He is currently the President of the vocational mining school CETEMIN. He worked at Buenaventura since 1980, and is the Director of 11 related companies.

Jorge Francisco Betzhold Henzi

Independent Director

Year of birth: 1955
Gender: Male 

Member of the Australasian Institute of Mining and Metallurgy. Member of the Geostatistical Association of Southern Africa (GASA) with solid knowledge and experience in the mining business. Mr. Betzhold has 36 years practical experience in South America (Chile, Brazil, Venezuela, Argentina), Southern Africa South Africa (Botswana. Namibia, Zambia) and USA (Alaska).  Mr. Betzhold studied Geoflogy at Universidad de Chile, Geostatistics at Fontainebleau Centre, Paris School of Mines, France and Management at the Graduate School of Business, University of Stellenbosch, South Africa. In addition, Mr. Betzhold has served as Head of Resource Planning and Development at Minera Escondida Limitada - BHP Billiton from 2011 to 2017.
Board of Directors Regulations
CEO, and Vice-Presidents

Leandro García


Bachelor’s Degree in Business Administration from Universidad del Pacífico and Bachelor’s Degree in Accounting from the same university. Master of Business Administrative from the University of Miami in Florida. He completed the Management Development Program at Harvard Business School. He worked at Buenaventura from 1990 to 1997, where he held the position of Treasury Head. He also worked at Sociedad Minera El Brocal as Finance Manager up until 2000. He was General Manager of Boticas BTL until 2005, and General Manager of Boticas Inkafarma until June 2011. He rejoined Buenaventura as Controller General in July 2011, then held the position of CFO until August 2020. He has been a Director of Química Suiza Retail, the business that manages the Mi Farma pharmacy chain, since January 2016 until January 2018. CEO of Consorcio Energético de Huancavelica and Director of Sociedad Minera El Brocal, Compañía Minera Condesa y Empresa de Generación Huanza.

Juan Carlos Ortiz

Vice President of Operations

Bachelor’s degree in Mining Engineering from the Pontificia Universidad Católica del Peru in 1992. He also holds a Master’s Degree in Engineering, with a focus on Mineral Engineering Management, from Pennsylvania State University. Prior to assuming his new role at Buenaventura, Mr. Ortiz was the Technical Services Manager at Volcan Compañia Minera, a polymetallic mining company and one of the largest zinc, lead and silver producers in the world, where he was responsible for the departments of Engineering, Projects, Planning and Environmental Matters as well as for Volcan’s Alpamarca and Cerro de Pasco operations. Prior to this post, he was Chief Operations Officer at Compañía Minera Milpo (now part of the Nexa Resources Group), where he was responsible for the Cerro Lindo, Atacocha and El Porvenir operations.

Alejandro Hermoza

Vice President of Sustainability

Mechanical Engineer graduated from the University of Maryland, with a Master’s in Engineering from the same university and a Master’s in Administrative from the Peruvian University of Applied Sciences (UPC). He previously worked as Development Manager of the Peruvian Confederation of Private Business Institutions (CONFIEP) and has worked at Buenaventura since 2003, where he has held the position of Community Relations Manager, from 2008 to 2011; and Deputy Manager of Administration and Human Resources, from 2003 to 2008. In 2011, he graduated from the Advanced Management Program at Harvard Business School (AMP).

Daniel Dominguez


Bachelor´s Degree in Economics from Universidad del Pacífico and Master in Business Administration from the same university. He has successfully completed the General Management Program at Harvard Business School in 2015 and the Corporate Finance Program at London Business School in 2010. He joined Buenaventura 20 years ago starting his career at INMINSUR (former subsidiary company) as Head of Treasury. Later he was transferred to Buenaventura where he held various positions, such as Head of Treasury, from 2003 to 2012; Director of Treasury and Financial Planning, from 2012 to 2015; Manager of Financial Planning and Investor Relations, from 2016 to 2017; and Logistics Manager, from 2017 to 2020 


Aldo Massa

Vice President of Business Development and Commercial

Business Administrator from Universidad de Lima and MBA from the Universidad del Pacífico. He has more than 25 years of experience in the mining sector. He worked at Southern Copper Corporation (Grupo México) as Corporate Commercial Director for Peru, Mexico, the United States and Spain.

Renzo Macher

Vice President of Projects and Innovation

Renzo Macher is a Civil Engineer from Pontificia Universidad Catolica del Peru (PUCP) with a Master's Degree in Construction Engineering and Project Management from University of Berkeley, California. He completed the Management Development Program at the University of Piura.

His career in Buenaventura began in 2013 as Manager of Tambomayo Project, which started operations in 2016. Since then to date he has been in charge of Project Innovation and Development departments.