Our highly experienced management team continues to build our fast-growing business.
They bring an invaluable breadth of knowledge to our strategic growth initiatives in vanadium operations and long duration energy storage. This experience includes delivering strong financial results, operational excellence, building long-duration energy storage facilities, building world-class teams, and leading international organizations through large-scale change.
Board of Directors
Mr. Alberto Arias is the founder and President of Arias Resource Capital Management LP. Mr. Arias has over 15 years of experience in the field of international mining finance, and is widely recognized as an industry expert, having been ranked for five consecutive years as the #1 equity research analyst for the metals and mining industry in Latin America by leading polls such as Institutional Investor. Prior to founding Arias Resource Capital, Mr. Arias worked for eight years at Goldman, Sachs & Co., most recently acting as Managing Director and Head of Equity Research for metals and mining in the U.S., Canada and Latin America. Prior to Goldman Sachs, Mr. Arias worked for 4 years at UBS as Executive Director and Analyst covering the Latin American metals and mining sector. Mr. Arias has engineering degrees in mining and metallurgy and an MBA (B.Sc. from the Colorado School of Mines and three Masters degrees from Columbia University), mining industry operational experience, and holds a patent for a gold mineral processing technology. He was raised in a family with a three-generation tradition of founding and managing private mining companies in Peru.
Mr. Brace is a registered professional geologist (APGO, EGBC) with over 40 years’ experience in the metals and mining business throughout the Americas. Most recently he served as CEO and Director of Karmin Exploration Inc. until Karmin was acquired by Nexa Resources S.A. in November 2019. Prior to Karmin, Mr. Brace was CEO and Director of GlobeStar Mining Corporation until that company’s acquisition by Perilya Ltd. in December 2010. Mr. Brace also served as Executive Vice-President of Business Development with Aur Resources Inc. until August 2007 when Aur was acquired by Teck Resources Ltd. Mr. Brace holds a B.Sc. in Geology from the University of Toronto and an M.B.A. in Finance and Accounting from the University of British Columbia.
Mr. Lee is a Vice President with the private equity firm Arias Resource Capital Management LP. Prior to Arias Resource Capital Management, Mr. Lee worked with Ambac Assurance Corporation, a global bond insurer. Prior to Ambac, Mr. Lee held positions with the investment firm Raging River Capital, the mining hedge fund Geologic Resource Partners LLC, and Byron Capital Markets Ltd in Canada as a mining & metals equity research analyst. Additionally, Mr. Lee has prior experience as an Environmental Engineer with several construction and engineering firms. Mr. Lee previously served on the board of Park Lawn Company Ltd. and Bearing Lithium Corp. Mr. Lee earned his MBA from the Stern School of Business at New York University and holds a BS in Chemical Engineering with a minor in Economics from Tufts University.
Mr. Tellechea has extensive experience in international mining, most recently serving as President & CEO of Sierra Metals, Inc. (2007-2014), a Toronto based mining company listed on both the Toronto (TSX) and Lima (BVL) Stock Exchanges with assets in Mexico and Peru. Prior to Sierra Metals, Mr. Tellechea was President and CEO of Asarco LLC (2003-2005), he served as the Managing Director of Finance and Administration for Asarco’s parent, Grupo Mexico (1994-2003) and also served as Asarco’s Chief Financial Officer and Vice-president of finance for Southern Copper Corporation, which was majority owned by Grupo Mexico (1999 – 2003). Mr. Tellechea earned a BSc in Accounting (1968) and a Master’s Degree in Business Administration (1983) from Tecnologico de Monterrey (Mexico).
Ms. Weinberg is a Director of Cosan, a Brazilian holding company of logistics, gas, fuels, lubricants and mining assets in Brazil. She has over 25 years of experience in the financial markets working at companies such as BTG Pactual, BlackRock for Latin American and Global Emerging Market funds, AllianceBernstein and Dynamo Administradora de Recursos covering commodities (metals & mining, pulp and paper and oil), amongst other things. Before joining the buyside industry, Ms. Weinberg worked as a sell side analyst at Merrill Lynch (2004-2007) and Goldman Sachs (1998-2004) covering the Metals & Mining sector. Ms. Weinberg holds a Bachelor of Science in Chemical Engineering from Universidade Federal do Rio de Janeiro and a Master’s Degree in Financial Engineering & Operations Research from Columbia University.
Management
Mr. Alberto Arias is the founder and President of Arias Resource Capital Management LP. Mr. Arias has over 15 years of experience in the field of international mining finance, and is widely recognized as an industry expert, having been ranked for five consecutive years as the #1 equity research analyst for the metals and mining industry in Latin America by leading polls such as Institutional Investor. Prior to founding Arias Resource Capital, Mr. Arias worked for eight years at Goldman, Sachs & Co., most recently acting as Managing Director and Head of Equity Research for metals and mining in the U.S., Canada and Latin America. Prior to Goldman Sachs, Mr. Arias worked for 4 years at UBS as Executive Director and Analyst covering the Latin American metals and mining sector. Mr. Arias has engineering degrees in mining and metallurgy and an MBA (B.Sc. from the Colorado School of Mines and three Masters degrees from Columbia University), mining industry operational experience, and holds a patent for a gold mineral processing technology. He was raised in a family with a three-generation tradition of founding and managing private mining companies in Peru.
Mr. Tellechea has extensive experience in international mining, most recently serving as President & CEO of Sierra Metals, Inc. (2007-2014), a Toronto based mining company listed on both the Toronto (TSX) and Lima (BVL) Stock Exchanges with assets in Mexico and Peru. Prior to Sierra Metals, Mr. Tellechea was President and CEO of Asarco LLC (2003-2005), he served as the Managing Director of Finance and Administration for Asarco’s parent, Grupo Mexico (1994-2003) and also served as Asarco’s Chief Financial Officer and Vice-president of finance for Southern Copper Corporation, which was majority owned by Grupo Mexico (1999 – 2003). Mr. Tellechea earned a BSc in Accounting (1968) and a Master’s Degree in Business Administration (1983) from Tecnologico de Monterrey (Mexico).
Mr. Diogo Silva is the Chief Financial Officer at Largo. Mr. Silva has over 20 years of progressive experience in financial leadership in the mining sector, including the last 14 years as the finance leader at Largo in Brazil. Mr. Silva has extensive experience in leading technical accounting functions as Financial and Statutory Director, partnering closely with Operations and Boards on long‑term investments, business planning, budget management, and cost optimization and brings strong IFRS specialist expertise to ensure legal financial reporting requirements are met. Mr. Silva has obtained a Bachelor’s degree in Accounting Sciences from Anisio Teixeira College and Chartered Professional Accountant (CRC) with the Regional Accounting Council in the state of Bahia, Brazil.
Mr. D'Alessio has over 19 years of experience in metals sales and trading, including overseeing the sales and shipment of vanadium and other commodities. He previously served as President of Largo Clean Energy Corp. (“LCE”), a subsidiary of Largo, where he led the company’s battery division and strategic initiatives to maximize the value of LCE, including its access to the innovative Largo Physical Vanadium Corp. structure. During his tenure, Mr. D’Alessio successfully negotiated and helped establish the joint venture between Largo and Stryten Energy, resulting in the formation of Storion Energy. Following the completion of this transaction, he stepped down from his role and is no longer the active President of Largo Clean Energy. Mr. D'Alessio joined Largo in 2019 as Head of Sales, Americas, and was subsequently promoted to Commercial Director, before ultimately being appointed Chief Commercial Officer of Largo, where he has been responsible for shaping and executing the Company’s global commercial and sales strategy. He also serves as Chief Executive Officer of Largo Physical Vanadium Corp., where he oversees the strategic direction and operations of the company’s physical vanadium platform.His experience also includes co-founding and previously serving as Marketing and Sales Director at SiderAlloys Intl. SA, where he developed the company’s global sales operations, raw material sourcing channels, and go-to-market strategies. Prior to co-piloting the start-up of SiderAlloys in 2011, Mr. D'Alessio served as Global Sales Manager for vanadium products at EVRAZ East Metals, managing all sales and marketing activities for the vanadium division. Mr. D'Alessio holds a Global Executive Master of Business Administration (GEMBA) from Bocconi University in Milan, Italy, and a Bachelor of Arts in Government and International Affairs from George Mason University in Fairfax, Virginia, USA.
Luis Rendón is a metallurgical engineer with over 40 years of experience in mineral processing, plant operations, and cost optimization. He has held senior leadership roles at Sierra Metals, Compañía Minera Kolpa, and Pan American Silver, where he managed plant expansions, implemented advanced metallurgical techniques, and optimized production processes to improve efficiency and cost control. At Largo, he has been instrumental in enhancing process performance and supporting operational realignment efforts at the Maracás Menchen Mine. Luis has also worked as an independent consultant, advising mining operations on production planning and metallurgical enhancements. Luis holds a degree in Metallurgical Engineering from Universidad Nacional de San Agustín (UNSA) in Arequipa, Peru.
