About us

Board of Directors

Darren M. Pylot

Board Chair

Mr. Pylot has over 25 years of executive management experience in the resource sector. In 2006, he founded Capstone Mining, where he held the position of President & CEO for over 15 years. In 2022, following the business combination of Capstone Mining and Mantos Copper, he became Executive Chair of Capstone Copper’s Board of Directors. Under his leadership, since 2006 Capstone has grown from a single-asset company operating the Cozamin mine, into a leading intermediate copper producer, developer and explorer through the acquisitions of Sherwood Copper (Minto mine and Kutcho project), Far West Mining (Santo Domingo project), the Pinto Valley mine from BHP Billiton Ltd., and the recent business combination with Mantos Copper (Mantos Blancos and Mantoverde mines). Mr. Pylot also serves as a Director at Zena Mining Corp.

Peter Meredith

Lead Independent Director and Human Resources and Compensation Committee Chair

Mr. Meredith serves as the Lead Independent Director of Capstone and currently serves on the board of Ivanhoe Mines Ltd. Previously, Mr. Meredith served as Chairman of the Board of Great Canadian Gaming Corporation, director of Turquoise Hill Resources Ltd. (formerly the original Ivanhoe Mines), Kaizen Discovery Inc., SouthGobi Resources Ltd. and Peregrine Diamonds Ltd. Mr. Meredith served as Deputy Chairman and Chief Financial Officer of Turquoise Hill Resources Ltd. Prior to joining Ivanhoe Mines Ltd., Mr. Meredith spent thirty‐one years with Deloitte LLP, Chartered Professional Accountants, and retired as a partner in 1996. Mr. Meredith is a Chartered Professional Accountant, (CPA, CA) and is a member of the Chartered Professional Accountants of British Columbia and the Chartered Professional Accountants of Ontario.

Alison Baker

Audit Committee Chair

Ms. Baker is a corporate director with over 25 years of experience in providing audit, capital markets, advisory and assurance services. She previously led the UK and EMEA Oil & Gas Practice for PricewaterhouseCoopers LLP and the UK Energy, Utilities and Mining Assurance Practice for Ernst & Young LLP. She currently serves as a director at Endeavour Mining plc, Helios Towers plc and Rockhopper Exploration plc and previously held board roles at KAZ Minerals plc and Centamin plc. Ms. Baker is a Chartered Accountant (CA) of the Institute of Chartered Accountants of England and Wales and holds a Bachelor of Science in Mathematical Sciences from the University of Bath.

Anne Giardini

Governance Nominating and Sustainability Committee Chair

Ms. Anne Giardini, QC, has over 35 years’ experience as a lawyer, senior executive, director, journalist and author, and has held a number of senior advisory roles. Ms. Giardini had a 20+-year career with Weyerhaeuser, including as General Counsel and subsequently President of Weyerhaeuser’s Canadian subsidiary. Ms. Giardini also brings extensive board experience, currently serving on the board of Stella-Jones Inc., and as Chair of K92 Mining Inc. She was previously Chair of the Greater Vancouver Board of Trade and Chair of the British Columbia Achievement Foundation, and served on numerous boards including Pembina Institute, Weyerhaeuser Company Limited; Nevsun Resources Ltd.; Thompson Creek Metals Company Inc; HydroOne, and TransLink. In 2016, Ms. Giardini was made an Officer of the Order of Canada and in 2018 she was admitted to the Order of British Columbia. She is an active community volunteer, author and public speaker, recognized for expertise on natural resource development, public and government relations, safety, risk and brand management, and manufacturing. Ms. Giardini holds an L.L.M. from Trinity Hall, University of Cambridge, an L.L.B. from the University of British Columbia, and a B.A. (Economics) from SFU.

Gordon Bell


Mr. Bell is a corporate director and has over 40 years experience in the mining industry, most recently Vice Chairman for the Mining and Metals Group of RBC Capital Markets. Previously he was the Global Head for RBC’s Mining & Metals Group. He has global expertise in corporate strategy, debt and equity financing, shareholder engagement, and mergers and acquisitions. Mr. Bell has a Bachelor of Science in Mining Engineering from Queens University in Kingston, Ontario and an MBA from Washington University in St. Louis, Missouri.

Patricia Palacios


Patricia Palacios brings over 30 years of experience as a lawyer, advisor, director, and senior corporate executive in the renewable energy industry.  Ms. Palacios has served as a board director for a wide array of industries for the last 12 years and is recognized for her expertise in corporate governance, people management and risk management for the renewable energies sector.  Currently, she is serving on the boards of Corporación Universidad de Concepción, Instituto Profesional Virginio Gómez, Consorcio Eólico, and serves as a counselor of the Comité de Desarrollo Productivo de Biobío. Previously. Ms. Palacios served as Board Chair of IRADE, a non-profit corporation, and held board positions in EMPORMONTT, a stated owned port; Asociación de Empresas de Gas Natural (AGN), and Sociedad Plaza Casino. She has held executive positions in AME SPA and Innergy Holdings, SA, Gasoducto del Pacífico S.A. (GPC) and Gasoducto del Pacífico Argentina S.A. (GPA). Ms. Palacios holds a Law degree from Universidad de Concepción, a Master degree in Human Resources and Organization Development from University of Louisville, and a postgraduate diploma in Antitrust and Regulation from Pontificia Universidad Católica de Chile.

John MacKenzie

Director and Chief Executive Officer

John MacKenzie was appointed Chief Executive Officer and member of the Board of Directors of Capstone Copper in March 2022 following the combination of Capstone Mining and Mantos Copper. John was previously the Executive Chairman and Founder of Mantos Copper for over 6 years. He has over 30 years of operational and investment experience in the metals and mining sector, with over 27 years of executive management experience from his past roles as CEO at Audley Capital, CEO Copper at Anglo American, and CEO Zinc at Anglo Base Metals. Mr. MacKenzie currently serves as a non-executive director at Horizonte Minerals Plc. He has a Master of Science in Mining Engineering from the University of the Witwatersrand, a Master of Business Leadership from the University of South Africa and completed the Advanced Management Program at Harvard Business School.