Directors

It is the responsibility of the Board of Directors (the “Board”) of Sierra Metals Inc. (the “Company”) to oversee the management of the business and affairs of the Company. The management of the day-to-day operations of the Company is delegated to the Chief Executive Officer (“CEO”) and the other senior executives of the Company (collectively, “Management”) under the stewardship of the Board. In carrying out its duties, Board members shall: (1) provide Management with sound business guidance, calling upon the varied experiences and expertise of its members; (2) act honestly and in good faith with a view to the best interests of the Company; and (3) exercise the level of care, diligence and skill that a reasonably prudent person would exercise in comparable circumstances.

To view the Board Mandate for Sierra Metals Inc., please click here.

Portrait

Oscar Cabrera, Chair of the Board

Mr. Cabrera is a Senior equity analyst with over 20 years of experience covering the metals and mining industry for bulge bracket investment banks and Canadian financial institutions, including Goldman Sachs, Merrill Lynch Canada and CIBC World Markets. He obtained recognition for industry thought leadership, fundamental commodity analysis and strong industry relationships, which has led to advisory roles for public mining companies, including Nexa Resources S.A. He also participated in the vetting of and advising on primary and secondary offerings in Canada, the U.S. and Europe. Mr. Cabrera holds a MBA from York University, a M Eng. in Structural Engineering from the University of Toronto and a B. Sc in Civil Engineering from the Instituto Tecnológico y de Estudios Superiores de Monterrey. Mr. Cabrera is a Canadian Citizen, originally from Mexico.

Portrait

Douglas Cater, Director

Douglas Cater P. Geo, FGC, is a professional geologist with more than 35 years of experience in the gold mining and exploration business gained while working with senior-tier Canadian-based mining and exploration companies. From January 2016 to January 2019, Mr. Cater served as Vice President Exploration (Canada) for Kirkland Lake Gold Ltd., a Toronto based company with operating mines and exploration projects located in northeastern Ontario and Australia. Mr. Cater has worked at numerous world class gold deposits, where he has guided exploration teams for success. In early 2019, D. F Cater Consulting Geologist Ltd, was incorporated, as a Consulting Company which conducts property evaluations, technical reports and project management services to Mining and Mineral exploration companies. Doug is currently a Director of Sierra Metals Inc, Harte Gold Corporation, Mayfair Gold Corporation and a Technical Advisor to Prosper Gold Corporation and Zodiac Gold Corp. Douglas is enrolled in the Directors Education Program offered by the Institute of Corporate Directors.

Portrait

Carlos Santa Cruz, Director

Mr. Santa Cruz is a Mining Engineer with over 40 years of experience of strong international managerial background in mining operations at a senior level. He held positions with major mining companies, including Senior Vice-President of Australian and New Zealand Operations and Senior Vice-President of South American Operations for Newmont. He currently sits as Chairman of the Board for BISA Ingenieria de Proyectos S.A.. and Director for JRC Ingeniería y Construcción S.A.C. Mr. Santa Cruz is an Independent Mining Consultant and Part-time Professor at Pontificia Universidad Católica and is a member of Industry Advisory Committees at Penn State and Piura University. Chairman of the Board for CIMADE, NGO oriented to promote sustainable mining and infrastructure megaprojects. Mr. Santa Cruz holds a Ph.D., Mining Engineering and M Eng., Industrial Engineering from Penn State University, as well as the Advanced Management Program from Harvard University. Mr. Santa Cruz is a Peruvian Citizen.

Portrait

Luis Marchese, Chief Executive Officer & Director

Mr. Marchese has over 25 years' experience in the mining sector. Having spent the majority of his career with Anglo American, he held progressive positions including that of Country Manager, Senior Advisor to the CEO and General Manager of the Quellaveco and Michiquillay Projects in Peru. Quellaveco is a Copper porphyry project currently under construction.

Mr. Marchese's earlier operating experience includes service with Anglo American's Mantoverde and Mantos Blancos copper mines in Chile as well as Hudbay Mining & Smelting in Canada. Recently, he was a Director to Compañía Minera San Ignacio de Morococha S.A. and an Alternate Director to Compañía Minera Poderosa S.A.

He has served as President of Peru's Society of Mining, Oil and Energy (SNMPE) from 2017 to 2019. He is currently Director of CONFIEP and member of Advisory bodies for different industry and academy organizations.

Mr. Marchese holds a Master of Science degree in Mineral Economics from Pennsylvania State University, and a Bachelor of Science degree in Mining Engineering from Pontificia Universidad Catolica in Peru. He has completed an AMP from GIBS - University of Pretoria, and an ASMP delivered jointly by the University of Cambridge and the University of Queensland.

Portrait

Koko Yamamoto, Director

Ms. Yamamoto is a chartered professional accountant with over 19 years' experience. She is a partner at McGovern, Hurley LLP, a CPAB registered firm, since 2003, and her practice includes a focus on assurance engagements for reporting issuers in the resource sector. Ms. Yamamoto is involved in initial public offerings and private placements, mergers and acquisitions. She is currently a director for Largo Resources Inc. as well as Chair of the Largo Resources Audit Committee. Ms. Yamamoto is registered as a panel auditor with the Investment Industry Regulatory Organization of Canada (IIROC), which enables her to conduct audits of investment dealers. Ms. Yamamoto obtained her CPA CA designation in 2001 and holds a Bachelor of Commerce from the University of British Columbia.

Portrait

Dawn Whittaker, Director

Ms. Whittaker has over 30 years of experience as legal counsel in domestic and international mergers and acquisitions, corporate finance transactions and corporate governance. She is currently Independent Chair of the Board of Directors for Triple Flag Precious Metals Corp. and a member of the Audit Committee. Ms. Whittaker is a former member of the Board of Directors as well as Interim Chair for Detour Gold where she served as Chair of the Corporate Governance and Nominating Committee, as well as a member of the Human Resources and Compensation Committee and the Audit Committee. Ms. Whittaker is a former director of Kirkland Lake Gold where she was the Chair of the Corporate Governance Committee, and a member of the Audit Committee and the Compensation Committee. She was also a member of the Special Committee established in connection with the company’s acquisition of St. Andrew Goldfields in 2015 and Chair of the Special Committee established for the merger with Newmarket Gold in 2016. Ms. Whittaker is currently Vice President of the Board of Directors for the Badminton and Racquet Club of Toronto and a member of both the Governance Review Committee and the Membership and Communications Committee. Ms. Whittaker has served as a member of the Board of Directors for the Canadian Mental Health Association, Ontario Division and was on the Nominating and Governance Committee for the Canadian Cancer Society, Ontario Division. She has also previously served on the Continuous Disclosure Advisory Committee of the Ontario Securities Commission. Ms. Whittaker began her career in corporate law at McCarthy Tetrault LLP and retired in 2018 from Norton Rose Fulbright LLP where she was a Senior Partner and Canadian Leader of the Mining and Commodities Team from 2012 to 2015. She holds a Bachelor of Arts (Honours) and an LL.B. from Queen’s University.

Portrait

Miguel Aramburu, Director

Mr. Miguel Aramburu has over 25 years of professional experience with 15 years dedicated to the mining sector. He currently serves on the Board of Directors of Stracon S.A.C., a mining contractor; Fibra Prime, a Peruvian REIT; Minsur S.A., a Peru-based mining and exploration company; and IEduca, an education conglomerate. He has previously held positions on the boards of Enfoca Investments, Andino Investment Holding, El Comercio, Neptunia, Fenix Power, GyM, Stracon GyM, Maestro Peru, Castrovirreyna and Pacifico Vida. Prior to committing himself to serving on corporate boards, Mr. Aramburu held the position of CEO (2008-2010) and COO (2006-2008) of Hochschild Mining Plc. In addition, he has held progressive positions with Mauricio Hochschild Y Cia, including CEO (2004-2006), CFO (2002-2004) and General Manager for various segments of operations (1995-2002). Mr. Aramburu holds an MBA from Stanford University and obtained his Industrial Engineering degree from Pontificia Universidad Católica del Peru.

Portrait

Robert Neal, Director

Mr. Neal has 33 years experience in senior roles with hedge funds and leading global corporate finance firms. He has extensive experience as both a principal investor and advisor in leveraged finance, high yield, private and public equity. He has long-standing relationships and expertise in the energy, industrial and materials sectors. Mr. Neal founded Skellig Capital LLC in February 2007. Skellig Capital is a global long/short equity hedge fund based in New York. Primary industry concentrations include industrials, energy, mining, metals and logistics. Prior to founding Skellig Capital, Mr. Neal was responsible for industrial sector research with a concentration on ferrous and industrial metals at Passport Capital, LLC. Prior to joining Passport Capital, Mr. Neal had a 14 year corporate finance career with firms including Merrill Lynch, Barclays de Zoete Wedd and Dresdner Kleinwort Wasserstein, where Mr. Neal was the global head of private equity coverage. Mr. Neal’s corporate finance expertise concentrated on leveraged finance, high yield, restructuring and mergers & acquisitions. In his corporate finance work Mr. Neal focused for many years on the private equity community in the United States and Western Europe, providing acquisition and financial structuring advice for numerous transactions, principally in the industrial sector. Mr. Neal received a BA from Duke University in 1988