John Lewins
Non-Executive Chair
Mr. Lewins is a Mineral Engineer with over 40 years’ experience in the mining industry across Africa, Australia, Asia, North America and the former Soviet Union. A founding director of K92 in 2016, he served as Chief Operating Officer from May 2016 to August 2017 and as Chief Executive Officer until becoming Non-Executive Chair in October 2026.
Under his leadership, Kainantu progressed from mine restart to commercial production, followed by the delivery of the Stage 2 and Stage 2A Expansions and the substantial completion of the Stage 3 Expansion, including a new 1.2 million-tonne-per-annum process plant. During his tenure, K92 also achieved major exploration successes across Kora, Judd, Blue Lake and Arakompa, including receiving the PDAC’s prestigious Thayer Lindsley Award in 2021 for the discovery of Kora North.
Mr. Lewins has built strong relationships with the government of Papua New Guinea, landowners and local communities. He serves as a Vice President of the Papua New Guinea Chamber of Resources and Energy and as Pro-Chancellor of the University of Goroka, and remains involved in K92’s social development initiatives through the Kainantu Foundation.
Throughout his career, Mr. Lewins has successfully managed the development of open pit and underground gold, precious and base metal mines from feasibility study through to profitable operations. He has held senior executive and board roles with a number of mining companies, including MIM Holdings, First Dynasty Mines, Platinum Australia and African Thunder Platinum.
Mr. Lewins received his National Diploma for Technicians (Extractive Metallurgy) from Technikon Witwatersrand, South Africa, a Bachelor of Science degree (Honours) in Mineral Engineering from the University of Leeds, England, and a Graduate Diploma in Management from the University of Queensland.
Member of the Sustainability Committee
Anne Giardini
Lead Director
Ms. Anne Giardini, KC, has over 35 years’ experience as a director, senior executive, lawyer, journalist and author. She has extensive expertise in the areas of strategy, governance, public reporting, financings, mergers and acquisitions, aboriginal affairs, safety, environment, government relations, litigation, and employment and labour matters.
A long-time leader within Canada’s resource industry, Ms. Giardini had a 20+-year career with Weyerhaeuser, including as General Counsel and subsequently President of Weyerhaeuser’s Canadian subsidiary. She also brings extensive board experience, currently serving on the boards of Capstone Copper Corp. and Stella-Jones Inc. Previously, she was Chair of the Greater Vancouver Board of Trade and Chair of the BC Achievement Foundation, and served on numerous other boards including: Pembina Institute; Weyerhaeuser Company Limited; Nevsun Resources Ltd.; Thompson Creek Metals Company Inc; HydroOne; TransLink; and Canadian Mortgage and Housing Corporation (CMHC).
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 Simon Fraser University.
Chair of the Nominating and Corporate Governance Committee
Member of the Sustainability Committee
Member of the Compensation and Benefits Committee
David Medilek
CEO & Director
Mr. Medilek is a mining professional with over 19 years of mining capital markets, corporate strategy, technical and operating experience. He joined K92 in 2019 and was appointed Chief Executive Officer and Director in October 2026, having previously served as President and Chief Operating Officer, President, and Vice President, Business Development and Investor Relations.
Prior to joining K92, Mr. Medilek was an equity research analyst covering precious metals companies with Macquarie Group Limited, a mining investment banker with Cormark Securities Inc., and a mining engineer with Barrick Gold Corporation in Western Australia.
Mr. Medilek holds a Bachelor of Applied Science in Mining Engineering with Distinction from the University of British Columbia, is a Professional Engineer in the Province of British Columbia, and is a CFA® charterholder.*
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Mark Eaton
Director
Mr. Eaton is an independent business consultant who has worked as an investment professional in equity capital markets specializing in the resource sector for over 20 years. He is currently the Executive Chairman and is the former Chief Executive Officer of Belo Sun Mining Corp. Prior to becoming an independent business consultant, Mr. Eaton held the position of Managing Director of Global Mining Sales, a division of CIBC World Markets of Toronto and Manager of US Equity Sales for CIBC World Markets. Mr. Eaton is also a former Partner and Director of Loewen Ondaatje McCutcheon Ltd., a Toronto-based investment dealer. In addition to his leadership in institutional mine finance and investment banking, Mr. Eaton has served in management and on the Boards of several public mining companies.
Mr. Eaton graduated from Hull University, England with Bachelor of Arts degree (Honours).
Chair of the Compensation and Benefits Committee
Member of the Audit Committee
Member of Nominating and Corporate Governance Committee
Saurabh Handa
Director
Mr. Handa is a mining professional with over fifteen years of diverse senior experience that includes finance, mergers and acquisitions, and multi-jurisdictional public company disclosures. He is currently the Chief Financial Officer of Metalla Royalty & Streaming Ltd., a Director of Carbon Streaming Corporation, and principal of Handa Financial Consulting Inc. Previously, he was Chief Financial Officer of Titan Mining Corp., Vice President, Finance of Imperial Metals Corp., Chief Financial Officer of Meryllion Resources Corp., Chief Financial Officer of Yellowhead Mining Inc. and Controller for SouthGobi Resources Ltd. Mr. Handa also worked at Deloitte Vancouver in its audit and valuation practices, primarily with international mining clients.
Mr. Handa is a Chartered Accountant and graduated with Honours from the University of British Columbia with a diploma in Accounting. Prior to joining the accounting profession, Mr. Handa obtained a Bachelor of Science degree in Genetics from the University of British Columbia and a diploma in Computer Systems from the British Columbia Institute of Technology.
Chair of the Audit Committee
Member of the Compensation and Benefits Committee
Cyndi Laval
Director
Ms. Laval is a partner at the law firm of Gowling WLG (Canada) LLP in Vancouver, B.C. She specializes in mergers and acquisitions, corporate finance, securities and mining law. Ms. Laval is the former Leader of Gowling WLG’s National Corporate Finance, M&A and Private Equity Practice Group, the former Co-Leader of its Canadian Mining Group and former Leader of the Firm’s Vancouver Business Law Group. Ms. Laval served as the Vice Chair of the American Bar Association’s 2017 and 2015 Canadian Public Target M&A Deal Point Studies and is the Chapter President of the Vancouver M&A Club, a national network of mergers and acquisitions professionals. Ms. Laval was a member of the TSX Venture Exchange’s Local Advisory Committee from 2006 to 2013 and an instructor of the TSXV Rules and Tools Corporate Governance Workshop from 2004 to 2010. Ms. Laval is recognized as a leading lawyer in the areas of mergers and acquisitions, securities and mining law in various national and international publications and was named Vancouver "Lawyer of the Year – Mining" by the Best Lawyers in Canada in 2017.
Ms. Laval holds a Bachelor of Laws degree and a Bachelor of Arts (Political Science) degree from the University of British Columbia, a Certificate of Mining Law from Osgoode Law School and has completed the Canadian Securities Course of the Canadian Securities Institute.
Chair of the Health and Safety Committee
Nan Lee
Director
Ms. Nan Lee is a professional Engineer with over 30 years of experience as a mining and geo-environmental engineer, project manager, senior executive, and advisor in the mining industry for a range of jurisdictions in Canada. Her experience and expertise include mine operations in both underground and open pits, project management, economic studies, environmental assessments, strategic planning, and engagement and consultation with indigenous communities and regulatory agencies.
Ms. Lee’s experience in the mining industry is highlighted by her comprehensive work in the uranium sector, including 15 years as an independent consultant leading the preparation of environmental assessment and approval processes for several uranium projects, and managing preliminary feasibility studies for tailings management facilities and a greenfield mine development proposal in Nunavut. More recently, Ms. Lee was with UEX Corporation as VP of Project Development, providing strategic direction for development of projects and project evaluations for potential acquisitions, in addition to managing economics studies.
Ms. Lee has an extensive governance experience with boards in the non-profit sector and is an active community volunteer.
Ms. Lee holds a P.Eng. designation in the province of Saskatchewan, an M.Sc. in Geo-environmental Engineering from the University of Saskatchewan, and a B.Eng. in Mining from McGill University.
Chair of the Sustainability Committee
Member of the Nominating and Corporate Governance Committee
Member of the Health and Safety Committee
Michael Carew
Director
Dr. Carew is a geologist with over 25 years of corporate, technical and capital markets experience in the mining industry. He has worked with major and junior mining and exploration companies, including BHP Billiton Limited, Mount Isa Mines Limited and Ivanhoe Mines Ltd., with experience across uranium, base and precious metal deposits in Australia, North America and Asia.
From 2013 to 2020, Dr. Carew was a Mining Research Analyst at Haywood Securities Inc., where he evaluated companies and projects ranging from early and advanced stage exploration, resource and development to production.
Since August 2020, Dr. Carew has worked as a consultant in a variety of executive, non-executive and advisory roles, including serving as Vice President, Corporate Development for Papua New Guinea explorer Great Pacific Gold Corp. from November 2024 to May 2026. He has also advised on the due diligence of exploration projects at various stages of development and held senior corporate development and executive roles with several junior resource companies.
Dr. Carew currently serves as a Director and Audit Committee member of Military Metals Corp. and CEO of Walhalla Gold Corp. He holds a BSc (Hons) from Monash University, Melbourne, and a PhD in Economic Geology from James Cook University, Australia.
Member of the Audit Committee
Member of the Health and Safety Committee