Ruben Alvarado

Ruben Alvarado Vigar became the Chief Executive Officer of Code/co in September 2023. He is a Chemical Civil Engineer who graduated from University of Chile and has a Master of Business Administration (MBA) from University of Chile and Tulane University from New Orleans, United States. Ruben Alvarado has 20 years of experience linked to El Teniente Division of Code/co, where he became its general manager. A year after graduating from the University of Chile, he joined Code/co as a Smelter Engineer, where he worked for nine years, between 1984 and 1993, participating in technological developments such as the Teniente Converter and the Slag Cleaning Furnace, among others. From 1994 to 2000 he was smelter manager at Caletones Smelter. In 2000 he was appointed general manager of El Teniente Division, where he served until 2004. During this period, Teniente Development Plan was built and launched, a set of mining, technological and management projects, which reversed the expected drop in productivity. Due to the exhaustion of some sectors, they expanded production capacity and maximized divisional surpluses. After his first stage in Code/co, he became CEO of the Empresa Portuaria de San Antonio between 2004 and 2005. E+M VP of LAN Airlines between 2007 and 2012. CEO of Alsacia & Express between 2012 and 2013. He was CEO of Metro of Santiago between 2014 and 2022. He has also been a member of the board at Acci6n Empresas and America Solidaria NGO.

Aurora Williams

Aurora Elvira Williams Baussa is a Chilean business engineer. She was the Chilean Minister of Mining from 11 March 2014 to 11 March 2016. In an August 2023 Cabinet reshuffle, Boric re-appointed Williams as Minister of Mining, where she would replace Marcela Hernando.

Katie Jackson

Katie was appointed Chief Executive, Copper in September 2024.

Before this, Katie was President of National Grid Ventures responsible for financing, developing and operating large-scale energy infrastructure assets including electricity interconnectors, LNG solutions, renewables, and competitive transmission.

With a career spanning three continents at Shell, UBS, Anadarko, Equinor and BG Group, Katie brings strong operational, commercial and strategy experience with a passion for solving technical, operational and financial challenges to make complex global projects work. Katie is a Non-Executive Director at specialist engineering group IMI since July 2018, and Chair of POWERful Women, the UK’s cross-industry initiative working for a gender-balanced, diverse and inclusive energy sector. 

Kathleen L. Quirk

Kathleen L. Quirk is President and Chief Executive Officer and a member of the Board of Directors of Freeport-McMoRan Inc (Freeport). 

Ms. Quirk joined Freeport in 1989 and had responsibility for a broad range of corporate functions, including Tax, Investor Relations, Corporate Development and Treasury before being named Chief Financial Officer in 2003. During that period, she was named Best CFO in Metals and Mining by Extel (formerly known as Institutional Investor Research) on numerous occasions. She was named President of Freeport in 2021 and became a member of the Board of Directors in 2023. As a senior member of the company’s executive team for more than 20 years, she has been instrumental in Freeport’s strategic planning and execution of company goals. She currently serves on the Board of Directors of Vulcan Materials Company. Ms. Quirk is a graduate of Louisiana State University.

Shaun Usmar

Shaun Usmar is an international mining executive with 30 years of experience working around the globe in some of the world's largest and fastest growing mining companies. Currently, he serves as the CEO of Vale Base Metals. Formerly, Mr. Usmar founded Triple Flag Precious Metals Corp. and served as the CEO and a Director until September 2024 and prior roles included Senior Executive Vice President and Chief Financial Officer of Barrick Gold Corporation, from 2014 to 2016. He joined Xstrata in 2002 as an early senior executive that helped grow the company into one of the world's largest diversified miners at the time of its acquisition by Glencore in 2013. His roles at Xstrata included General Manager of Business Development in London, Chief Financial Officer of Xstrata's global Ferro-Alloys business in South Africa, and Chief Financial Officer of Xstrata's global Nickel business in Canada. Prior to joining Xstrata, Mr. Usmar worked at BHP Billiton in Corporate Finance in London, and started his career in mining in operations in the steel and aluminum industries as a production engineer. Mr. Usmar serves as Chair of Make- A-Wish Canada and as an independent director of Alamos Gold and has served on several other boards in the past, including Peabody Energy and the World Gold Council, where he chaired the Audit Committee. He holds a Bachelor of Science Engineering in Metallurgy and Materials from the University of Witwatersrand in South Africa, and an MBA from the Kellogg Graduate School of Management at Northwestern University, both with distinction.

Mauricio Ortiz

Artem Volynets

Mr. Volynets is the Founder, Chairman and CEO of ACG Metals Ltd.  He has 27+ years of experience in mergers and acquisitions, capital markets, and senior corporate management roles.  He has led private and public transactions worth more than $30 billion and managed leading businesses in the metals and mining industry.  

Mr. Volynets listed ACG Acquisition Company as a SPAC on LSE in 2022 with a strategy to consolidated the critical metals industry.   The company completed the first $300m transaction in Türkiye in 2024, acquiring producing Copper / Gold Gediktepe mine and was renamed ACG Metals Ltd.   ACG’s near term goal is to build 200-300 ktpa copper producer via a series of roll-up transactions.  

Mr Volynets has previously designed and implemented a similar roll-up strategy in aluminium, having led several high-profile transactions that created UC Rusal, which he listed in Hong Kong in 2010 at a pre-money valuation of over $20 billion.  

Mr. Volynets’ former roles include the CEO of Chaarat Gold, CEO of En+ Group, head of strategy and Board director of UC Rusal.  He also served as an independent non-executive director at Norilsk Nickel and as Chairman of International Aluminium Institute and started his carrier as a strategy consultant with Monitor Group in Boston and London.  

He obtained an MBA from Georgetown University in 1997 (in a joint program with INSEAD in France) and a BA in Economics from The American University in Washington DC in 1994 and previously studied geology and philosophy at Moscow State University.    

Raman Randhawa

Raman Randhawa is a Canadian Chartered Professional Accountant (CPA, CA) with 20 years of financial and leadership experience in the mining industry. Prior to joining Capstone in 2018, Raman spent 13 years at Goldcorp Inc., a Canadian based global gold producer. At Goldcorp, Raman held a series of senior management roles, including Vice President, Business Planning, Vice President, Business Performance & Reporting and Vice President, Finance, Operations. His background includes roles in Controllership, Treasury and Supply Chain in addition to leading Goldcorp’s Canadian mines from a finance perspective. He has broad management and financial experience with exposure to capital markets and corporate development. He led the development of a Global Supply Chain department and management of multi-billion dollar capital budgets. Raman started his career at the international firm of Ernst & Young.

Victor Gobitz

Currently President and CEO of Quilla Resources, previously CEO of Compañia Minera Antamina, Compañia de Minas Buenaventura and Compañia Minera Milpo (currently Nexa Resources Peru).

Former Chairman of the Peruvian Mining, Petroleum and Energy Society (SNMPE) for the period 2023, January 2025. Former Chairman of the Peruvian Mining Engineers Institute (IIMP).

Mining engineer from Pontifical Catholic University (PUCP) and MBA from ESAN Business School. Awarded by the SME for his outstanding achievements in September 2023.

Dr. Toralf Haag

Dr. Toralf Haag, born in 1966, has been the Chief Executive Officer (CEO) of Aurubis AG since September 1, 2024. He began his career in 1994 at Thyssen Handelsunion AG in Düsseldorf. From 1997 to 1999, he served as Director of Finance, M&A, and Corporate Development at The Budd Company in Detroit, USA, a subsidiary of ThyssenKrupp. In 2000, he was appointed CEO of the Stamping & Frame Division at The Budd Company. Between 2002 and 2005, Dr. Haag was the Chief Financial Officer (CFO) at Norddeutsche Affinerie AG, now known as Aurubis AG, in Hamburg. He then became CFO of the Swiss chemical and pharmaceutical company Lonza Group AG in 2005. In October 2016, he joined the Corporate Board of Management at Voith Group, initially as CFO, and was appointed Chairman in October 2018. Dr. Haag holds a degree in Business Administration from the University of Augsburg and a doctorate from the University of Kiel.