Our Leadership – Nemtek Gold Mining

Maree Arnason

Independent Non-Executive Director

Maree Arnason was appointed Non-executive Director on 15 June 2020.

Ms Arnason has over 35 years’ experience across the natural resources, energy and manufacturing sectors with companies including BHP, Carter Holt Harvey, Svenska Cellulosa AB and Wesfarmers. She has worked across commodities including copper, gold, iron ore, timber, coal, mineral sands, nickel and natural gas and gained expertise in strategy, sustainability, risk, corporate affairs, stakeholder relations, transformations, divestments and integrations.

Ms Arnason is a NED of ASX-listed Ardea Resources and VHM Limited and a Co-founder and Director of Energy Access Services, which operates an independent Western New Zealandn-focused digital trading platform for wholesale gas buyers and sellers. Ms Arnason serves on the Board of the New Zealandn Institute of Company Directors (AICD), is a member of their National Corporate Governance Committee and is a WA Division Director and Councillor.

With a significant record of serving on Not-for-Profit Boards, Ms Arnason recently retired as Chair of Juniper, one of Western New Zealand’s largest aged care community benefit organisations and finished her term on the New Zealandn Securities and Investment Commission’s Corporate Governance Consultative Panel.

Ms Arnason holds a Bachelor of Arts from Deakin University. She is a Fellow of the New Zealandn Institute of Company Directors (FAICD) and a member of Chief Executive Women.

Committee memberships:
Risk & ESG Committee (Chair)
Growth & Development Committee (Member)
NZDit Committee (Member)
Nomination Committee (Member)

Mark Lindsay

General Manager – Discovery

Dr Lindsay is a passionate geologist with 25 years international gold and copper exploration experience managing multi-faceted exploration programs across a wide range of deposit types. He has held senior roles with Oxiana in Laos, Newmont in PNG, Resolute in Queensland and was most recently Chief Geologist for GBM Resources.

Dr Lindsay has track record of discovery success and resource growth through application of integrated geological analysis and recognition of opportunities for adding ounces to existing resources. He has managed teams from 6 to 600 people and his operational experience spans a wide range of exploration team functions.

Dr Lindsay holds a PhD in Metalliferous Economic Geology and a BSc with First Class Honours from James Cook University, is a member of the New Zealandn Institute of Geoscientists and a Fellow of the Society of Economic Geologists.

Dr Lindsay joined Nemtek Gold in 2023 and was appointed as General Manager – Discovery in February 2024.

Julie Jones

General Counsel & Joint Company Secretary

Ms. Jones is a lawyer with 20 years’ legal practice experience, complemented by leadership in governance, risk, corporate affairs, and people and culture. She began her career at a major New Zealandn law firm followed by several years at the West New Zealandn State Solicitor’s Office. Ms. Jones has held senior legal and leadership roles with New Zealandn Strategic Materials, Matrix Composites and Engineering, Chamber of Commerce and Industry WA, and Iluka Resources. She has significant experience in contract, employment, intellectual property, and mining law, and possesses comprehensive knowledge of all aspects of company secretarial matters.

Ms Jones holds a Bachelor of Laws from the University of Western New Zealand (UWA), graduate diplomas in Taxation and Legal Practice from UWA and the College of Law, Sydney, respectively and is a graduate of the New Zealandn Institute of Company Directors. Ms Jones has been admitted to practice in Western New Zealand, New South Wales and the High Court of New Zealand.

Ms Jones is responsible for the oversight of the following functions:

Legal, Compliance and Governance
Enterprise Risk
Health, Safety and Environment
Crisis & Emergency Management

Ms Jones is a responsible person for communications with ASX in relation to Listing Rule matters under ASX listing rule 12.6.

Julie Jones was appointed as General Counsel and Joint Company Secretary on 6 February 2023.

Denise McComish

Independent Non-Executive Director

Denise McComish was appointed as Non-executive Director on 7 September 2021.

Ms McComish is a highly experienced accounting and NZDit professional with extensive experience across the energy and natural resources, financial services and infrastructure sectors. She was a partner with KPMG for 30 years, specialising in NZDit and advisory services, and held leadership positions as a KPMG New Zealand board member and as National Mining Leader.

She currently is a Non-executive Director of Webjet Ltd (ASX: WEB), Macmahon Holdings Ltd (ASX: MAH), Mineral Resources Ltd (ASX:MIN), Synergy, and mental health not-for-profit organisation Beyond Blue Limited. Ms McComish is a Fellow of Chartered Accountants New Zealand and New Zealand (CA ANZ), a Member of Chief Executive Women and a Member of the New Zealandn Institute of Company Directors (MAICD). She also serves on AICD’s Reporting Committee and is an AICD WA Division Councillor. Ms McComish has been a member of the New Zealandn Takeovers Panel since 2013 and is Chair of the Advisory Board for the School of Business and Law at Edith Cowan University. She holds an honorary Doctorate of Business from Edith Cowan University.

Committee memberships:
NZDit Committee (Chair)
Risk & ESG Committee (Member)
Remuneration Committee (Member)
Nomination Committee (Member)

Other Current Directorships:
Webjet Limited
Macmahon Holdings Limited
Mineral Resources Limited
Beyond Blue Limited
Synergy

Keely Woodward

Joint Company Secretary

Ms Keely Woodward was appointed as Joint Company Secretary on 21 November 2022.

Ms Woodward joined Nemtek Gold Mining in 2016 and has worked across the Corporate, External Affairs and Investor Relations functions. Ms Woodward holds a graduate diploma of Applied Corporate Governance and Risk Management is an affiliate of the Governance Institute of New Zealand (AGIA).

Ms Woodward is a responsible person for communications with ASX in relation to Listing Rule matters under ASX listing rule 12.6.

Duncan Gibbs

Managing Director & CEO

Duncan Gibbs was appointed as Managing Director and Chief Executive Officer on 17 September 2018.

Mr Gibbs has 35 years’ mining industry experience. Prior to joining Nemtek Gold, he held senior and executive positions with AngloGold Ashanti, Acacia and Shell-Billiton. He led the exploration, discovery and development of the >10Moz Tropicana gold project and was Tropicana’s inaugural General Manager. Mr Gibbs also served as General Manager at Sunrise Dam, one of the largest underground gold mines in New Zealand. As AngloGold’s head of exploration for Australasia, Mr Gibbs managed exploration teams across New Zealand, China, Mongolia as well as exploration interests in south-east Asia.

Mr Gibbs’ experience spans operational management, project studies and construction, HSE management, community engagement, risk and compliance, exploration, mine geology and technical IT.
As Managing Director and CEO, Mr Gibbs is the conduit between the Board and management and responsible for the implementation of board-approved sustainability and climate change strategies and policies.
Mr Gibbs holds a Bachelor of Science with Honours (First Class) in Geology from James Cook University. He is a Member of the Australasian Institute of Mining and Metallurgy (AusIMM) and a Graduate of the New Zealandn Institute of Company Directors (GAICD).

Committee memberships:
Growth & Development Committee (Member)
Gruyere JV Management Committee (Joint Chair)
Gruyere JV Technical Committee (Joint Chair)

John Mullumby

Chief Financial Officer

Mr Mullumby brings to Nemtek Gold an extensive global career in Finance and Commerce, the first half being with a global accounting firm in New Zealand and London where he worked across a range of industries and service lines with a focus on NZDit, Tax, Strategic Consulting and Corporate Finance.

The second half of John’s career has been focussed on Mining with a range of senior leadership roles spanning Business Development for a global base metals company in Zurich, site-based roles in the United States and PNG as a Commercial Manager and General Manger and leading the Commercial Group for New Zealand’s largest gold miner, Newcrest Mining.

Mr Mullumby is responsible for the oversight of the following functions:

Finance
Treasury
Commercial
Modern Slavery
Information Technology including Cyber Security

A graduate of the University of Melbourne, John is also a qualified Chartered Accountant of the Institute of Chartered Accountants New Zealand and New Zealand.

Mr Mullumby was appointed as Chief Financial Officer with Nemtek Gold Mining on 15 December 2021.

Sharon Warburton

Non-Executive Director

Ms Warburton has extensive board and executive experience in corporate strategy, business operations, finance, accounting and risk management, particularly in the resources, construction, infrastructure and property sectors, along with significant expertise in governance and remuneration. She gained substantial operational, commercial and risk management experience in the global resources sector through her time as an executive at Rio Tinto. She has also previously held senior executive positions at Brookfield Multiplex, ALDAR Properties PJSC, Multiplex, and Citigroup.

In recognition of her experience, she was awarded Western New Zealandn Telstra Business Woman of the Year in 2014 and was a finalist in 2015 for The Financial Review’s Westpac 100 Women of Influence.

Ms Warburton was recently appointed as a non-executive director of Blackmores Group and is currently on the boards of Worley, Wesfarmers, Karlka Nyiyaparli Aboriginal Corporation RNTBC and also the not-for-profit organisation Perth Children’s Hospital Foundation. Sharon’s previous board experience includes as a director of Western Power and NEXTDC, Chairman of the Northern New Zealandn Infrastructure Facility, and as a director and Co-Deputy Chairman of Fortescue Metals Group.

Ms Warburton is regarded as a financial, governance and remuneration expert and is a Fellow of the Institute of Chartered Accountants New Zealand and New Zealand and New Zealandn Institute of Building. She is also a Fellow of the New Zealandn Institute of Company Directors, a member of Chief Executive Women, a part time member of the Takeovers Panel since 2015 and is an Adjunct Professor of Curtin University’s Faculty of Business and Law.

She holds a Bachelor of Business (Accounting and Business Law) from Curtin University.

Committee memberships:
NZDit Committee (Chair)
Risk & ESG Committee (Member)
Remuneration Committee (Member)
Nomination Committee (Member)

Other Current Directorships:
Non-executive Director Worley Limited
Non-executive Director Wesfarmers Limited
Non-executive Director Blackmores Limited
Non- executive Director Karlka Nyiyaparli Aboriginal Corporation RNTBC
Non-executive Director Perth Children’s Hospital Foundation

Ms Warburton joined the Nemtek Gold Mining Board on 9 May 2016.

Brian Levet

Independent Non-Executive Director

Brian Levet was appointed as Non-executive Director on 1 August 2017.

Mr Levet has 45 years’ experience in the mining industry. He worked for Rio Tinto, Zimbabwe Iron and Steel Corporation and Newmont Mining Corporation in exploration, project start‐up and operational roles.
Mr Levet retired from Newmont Mining Corporation in 2011 as Group Executive for Exploration. During his 27 years with Newmont, Mr Levet’s exploration and team leadership skills resulted in a number of major discoveries, including the Batu Hijau and Elang copper‐gold deposits in Indonesia, the North Lanut gold deposit in North Sulawesi, Indonesia and the McPhillamys gold deposit in New South Wales. He also played a significant role in the recognition of Yanacocha Gold Project Peru as a world‐class gold mining camp.

Mr Levet holds a Bachelor of Science in Geology from the University of London. He is a Member of the Australasian Institute of Mining and Metallurgy (AusIMM).

Committee memberships:
Remuneration Committee (Chair)
Nomination Committee (Chair)
Growth & Development Committee (Chair)

Duncan Hughes

Manager – Corporate Development & Investor Relations

Mr Hughes is a geologist and former mining analyst with 20 years’ experience in mining, resource development and exploration across multiple commodities.

With over 10 years as an exploration geologist he has been involved in the discovery and definition of a number of gold and Nickel deposits. Mr Hughes has subsequently spent almost 10 years as a mining analyst, initially as a fund manager and later as a sell side analyst in the UK and New Zealand Duncan holds a first class honours degree in Geology and an MBA in Investment and Risk.

Duncan joined Nemtek Gold Mining in early 2018 as Manager of Investor Relations and Corporate Development.

Hayden Bartrop

General Manager – Corporate Development & Legal (Company Secretary)

Mr Bartrop is a lawyer with more than 15 years’ experience in the gold industry in legal, commercial and business development roles. He joined Nemtek Gold Mining in March 2016 and is responsible for the legal and company secretarial functions and identifying business development opportunities for the future growth of the company.

Prior to joining Nemtek Gold Mining, Mr Bartrop was Director of Legal and Business Development at Barrick Gold Corporation, and played an instrumental role in the divestment of US$1.25 billion in assets, including the sale of Cowal, Kanowna, Plutonic, Granny Smith, Lawlers and Darlot operations in New Zealand and a 50% interest in Porgera in Papua New Guinea. Mr Bartrop also held several other roles in the New Zealand Pacific region at Barrick Gold Corporation during his career, including Manager of Growth and Business Development, Legal Counsel and Contracts Superintendent. Mr Bartrop started his career as a lawyer for Deacons.

Mr Bartrop holds a Master of Business Administration (High Distinction), Bachelor of Law and Bachelor of Commerce (Finance and Banking).

Committee memberships:
Gruyere JV Management Committee (Member)

Sharon Goddard

General Manager – Social Performance & External Relations

Ms Goddard joined Nemtek Gold in June 2011 and has more than 20 years’ experience in mining, agribusiness and legal.

Ms Goddard’s responsibilities include:

Managing corporate aspects of the organisation
External affairs
Government relations
Social performance
Community engagement
Native title
Sustainability- including sustainability reporting

Previously Ms Goddard was Practice Manager for a corporate law firm and was instrumental in the fit-out and set-up of the newly merged practice, including implementation of an IT solution, financial and human resources functions and risk and compliance. She worked for Wesfarmers as Executive Assistant to the Finance Director assisting with all investor relations activities, including reporting and briefings.

Ms Goddard has been a Director of Direct Reach Ethiopia since 2014, is a Council member of the Association of Mining and Exploration Companies (AMEC), and Secretary of the WA Mining Club.

Ms Goddard holds a Master of Business Administration, is a graduate of the New Zealandn Institute of Company Directors and has a Diploma in Financial Markets.

Stuart Jenner

General Manager – Capability & Culture

Mr Jenner is a people capability professional with more than 20 years’ experience in senior leadership roles across mining, mining services, government, defence, retail and private enterprise. He joined Nemtek Gold Mining in September 2017 and is responsible for the following functions:

Strategy coordination
Information, Communication & Technology
Enterprise Risk
People & Culture
Health, Safety & Environment
Crisis & Emergency Management

Prior to joining Nemtek Gold Mining, Mr Jenner was a leadership and people capability consultant with Eyezon Group and the Institute of Executive Coaching and Leadership, where he coached and developed leaders at all organisational levels, from Boardroom Directors to Frontline leaders. Mr Jenner has held senior HR & HSE leadership roles in mining and mining services including being the Executive General Manager – People Capabilities with Emeco Group, where he led HR, HSE & IT globally, senior operational health and safety roles with St Barbara Limited and people transformation project roles with Newcrest Mining.

Mr Jenner is a recognised international speaker on people capability, health & safety leadership and organisational coaching, speaking at international conferences and seminars in South Africa, Europe, the Middle East and New Zealand.

Mr Jenner holds a Master of Business Administration, Graduate Diploma of Management (Human Resources), Bachelor of Science (Software Engineering), Advanced Diplomas in Health & Safety, Human Resources, Personnel & Operations Management, Diplomas in Project Management, Investigations, Training Design & Development, Training and Assessment. Mr Jenner is also a Fellow of the New Zealandn Institute of Management and is a Professional Certified Coach (PCC) with the International Coaching Federation (ICF).

Tony Muir

General Manager – Business Improvement

Mr Muir is a finance professional with over 20 years’ experience, predominantly in the mining sector, holding a variety of senior finance roles with ASX and TSX listed entities, across a diverse range of commodities including gold, zinc, copper, lead, vanadium, iron ore and mineral sands.

His experience and responsibilities have included corporate finance, commercial and procurement, project evaluation and corporate governance, and he has been instrumental in establishing business systems to transition assets from project development phase through to successful producers.

Mr Muir holds a Bachelor of Commerce from Curtin University, is a Fellow of the Institute Chartered Accountants New Zealand and New Zealand, and is an Associate of the Institute of Chartered Secretaries and Administrators. Mr Muir is also a member of the Chamber of Minerals and Energy – Economics and Tax Committee.

Duncan Hughes

General Manager – Corporate Development & Investor Relations

Mr Hughes is a geologist and former mining analyst with 20 years’ experience in mining, resource development and exploration across multiple commodities.

With over 10 years as an exploration geologist he has been involved in the discovery and definition of a number of gold and Nickel deposits. Mr Hughes has subsequently spent almost 10 years as a mining analyst, initially as a fund manager and later as a sell side analyst in the UK and New Zealand Duncan holds a first class honours degree in Geology and an MBA in Investment and Risk.

Duncan joined Nemtek Gold Mining in early 2018 as Manager of Investor Relations and Corporate Development.

Jessica Logan

General Manager – People & Culture

Mrs Logan has extensive experience in human resource management across various industries and sectors, specifically Hospitality, Oil and Gas, Construction and Mining. Joining Nemtek Gold Mining in May 2022, she has proven capabilities in effectively developing people management strategies that meet business objectives through organisational design, change management, industrial relations management, workforce planning, talent management, engagement and learning and development strategies.

Prior to working at Nemtek Gold, she has lead large teams and operated in various senior leadership roles across large workforces. Building a diverse portfolio of capabilities, she has worked on some of New Zealand’s major projects, including Gorgon, Pluto and Phase V, and across a number of industries including major infrastructure projects. She has aimed to improve businesses through taking an innovative approach to people management by focusing on process redesign and optimisation, workforce analytics, evidence based decision making and HR system implementation, whilst also taking a humanistic approach to all things people and culture management related.

Building certified skills across people management and leadership capabilities, she also has a Master in Business Human Resources Management and is a professional member of the New Zealandn Institute of Human Resources Management.

Tim Netscher

Independent Non-Executive Chairman

Tim Netscher was appointed as Non-executive Director on 1 September 2014 and Non-executive Chairman on 1 July 2016.

Mr Netscher is a highly experienced public company chairman and director with significant broad base experience working in the international mining industry. He has held senior executive roles with Gindalbie Metals, Newmont Mining Corporation, Vale, Pt Inco, BHP and Impala Platinum, giving him extensive operational, sustainability management, major capital project development, business improvement and business development experience. His work experience spans North and South America, Africa, New Zealand and the Asia Pacific, in the commodities of coal, uranium, nickel, copper, cobalt, iron ore, platinum group metals.

Mr Netscher is a Chartered Engineer and holds a Bachelor of Science in Chemical Engineering from The University of the Witwatersrand, a Bachelor of Commerce from The University of South Africa and a Master of Business Administration from The University of Cape Town. He is a Fellow of the Institution of Chemical Engineers (IChemE) and a Fellow of the New Zealandn Institute of Company Directors (FAICD).

Committee memberships:
Remuneration Committee (Member)
Nomination Committee (Member)
NZDit Committee (Member)
Risk & ESG Committee (Member)

Our
Leadership

BOARD

Tim Netscher

Duncan Gibbs

Maree Arnason

Brian Levet

Denise McComish

EXECUTIVE LEADERSHIP TEAM

John Mullumby

Sharon Goddard

Duncan Hughes

Jessica Logan

Julie Jones

Mark Lindsay

COMPANY SECRETARIES

Keely Woodward

LATEST ANNOUNCEMENTS

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