Our Leadership
We lead by example, building trust and confidence across the business and guiding sustainable growth for the future
Our Board and Executive Team bring decades of technical, operational and financial experience, with a consistent record of delivering on commitments and driving disciplined, sustainable growth.
— Bob Vassie
Non-Executive Chair
Board of Directors
Ramelius Resources’ Board of Directors provides effective company oversight, deep industry knowledge, strong governance capability and long-term strategic insight.
With a diverse blend of operational, financial and commercial experience, the Board provides clear guidance and disciplined oversight to support sustainable growth and protect shareholder value.
The Board is directed by the ASX Corporate Governance Council rules and oversees Company compliance. Individual Directors bring significant experience guiding ASX-listed companies to meet Corporations Act and ASX Listing Rules obligations.
Ramelius has appointed six independent directors.
Meet Our Board
Appointment
Mr Vassie was appointed Non-Executive Chair of Ramelius in January 2021.Skills and experience
Mr Vassie is a veteran Mining Engineer with 35 years multi-commodity and international experience. He spent 18 years with Rio Tinto in global mining and resource development executive roles followed by MD and CEO positions in Ivanhoe Australia and St Barbara Ltd with a focus on executive leadership, resource development and business development including M&A.
Mr Vassie served as a board member for the Minerals Council of Australia from 2014 to 2020 where he chaired the MCA Gold Forum.
Current appointments
Non-Executive Director for Aurelia Metals Ltd, Independent Non-Executive Director for Federation Mining.Committee membership
Member of Audit Committee Member of Nomination & Remuneration Committee Member of Risk & Sustainability Committee
Appointment
Mr Zeptner was appointed Chief Executive Officer of Ramelius in 2014 and Managing Director in 2015.Skills and experience
Mr Zeptner is a Mining Engineer, educated at the Western Australian School of Mines in Kalgoorlie. He has over 30 years’ industry experience including senior operational and management positions with WMC and Gold Fields Limited at their gold and nickel assets in Australia and offshore.
He joined Ramelius as Chief Operating Officer in March 2012, took up the reins as Chief Executive Officer in June 2014 and was appointed Managing Director in July 2015.
Appointment
Ms Murdoch was appointed Non-Executive Director of Ramelius in December 2021.Skills and experience
Ms Murdoch is a senior executive leader with over 30 years of commercial and operational experience across the Australian and international resources and infrastructure sectors, including with MIM Holdings, Xstrata Queensland the AMCI Group.
Ms Murdoch brings deep expertise in industry knowledge, business development, mergers and acquisitions, risk management, governance and regulatory compliance, people, remuneration and culture, and global strategy.
Past directorships include Metro Mining (ASX: MMI), KGL Resources Ltd (ASX: KGL), infrastructure statutory body Building Queensland, and metallurgical services and technology company Core Resources Pty Ltd.
Current appointments
Ms Murdoch is currently a Non-Executive Director of listed resources companies NRW Holdings Ltd (ASX: NWH) and also serves on the Onslow Iron Joint Venture Committee for AMCI and POSCO. Ms Murdoch also volunteers as Chair for The Pyjama Foundation.Committee membership
Chair of Nomination & Remuneration Committee Member of Audit Committee
Appointment
Mr Southam was appointed Non-Executive Director in July 2018.Skills and experience
Mr Southam is a Certified Practising Accountant with more than 25 years’ experience in accounting, capital markets and finance across the resources and industrial sectors. Mr Southam has been intimately involved in several large project financings in multiple jurisdictions and has completed significant capital market and M&A transactions.
He is the former Managing Director of Mincor Resources.
Current appointments
Mr Southam is currently an Executive Chair and Managing Director for Cygnus Metals Ltd and Non-Executive Chair for Andean Silver logo and Council Member and Chairman of the Audit and Risk Committee.Committee membership
Chair of Audit Committee
Appointment
Mr Moorhead was appointed Non-Executive Director in October 2022.Skills and experience
Mr Moorhead is a geologist and experienced resources executive having spent more than 20 years with Newcrest Mining, including 10 years on the executive committee responsible for global exploration and resource development.
Following this, he joined PT Merdeka Copper Gold Tbk as CEO, leading the very successful development of the Tujuh Bukit gold mine in Indonesia. He went on to become an Executive Director and later Non-Executive Director until June 2020.
Current appointments
Mr Moorhead is Non-Executive Director of Mineral Resources Limited, Non-Executive Director for VHM Limited, and a Non-Executive Director of Aeris Resources Limited (ASX:AIS). He is also a Principal Consultant & Economic Geologist with Colin Moorhead & Associates Pty Ltd.Committee membership
Member of Risk & Sustainability Committee
Appointment
Dr Streltsova was appointed Non-Executive Director of Ramelius in October 2019.Skills and experience
Dr Streltsova is an accomplished mining professional with over 30 years of experience in the international resources industry. Her experience includes various technical and senior executive roles with major mining houses Vale SA (formerly CVRD), BHP Billiton and WMC Resources. Throughout her executive career, Dr Streltsova’s primary focus was on business growth and improvement, including through the development and implementation of new projects, assessment and acquisition of new businesses, expanding into new commodities and commercialising innovative technologies. Her board roles in the last ten years have involved in-depth exposure into commercial, M&A and technical areas in the resources industry across a broad range of commodities.
Dr Streltsova is a Graduate Member of the Australian Institute of Company Directors. She holds a Doctor of Philosophy in Chemistry from the Karpov Institute of Physics & Chemistry and a Master of Science in Chemical Engineering from Mendeleev University of Chemical Technology in Russia.
Current appointments
Dr Streltsova is currently a non-executive director of ASX-listed Centaurus Metals (ASX: CTM) and BMC Minerals (ASX: BMC). Over the past three years, Dr Streltsova has been non-executive Chair of Australian Potash Limited (ASX: APC) and a non-executive director of Neometals Limited (ASX: NMT) and Battery Future Acquisition Company (NYSE: BFAC).Committee membership
Chair of Risk & Sustainability Committee
Appointment
Ms Carpenter was appointed Non-Executive Director of Ramelius in July 2025.Skills and experience
Ms Carpenter has approximately 15 years’ experience as a lawyer, specialising in equity capital markets, and mergers and acquisitions. She also has extensive expertise in governance, risk management and corporate compliance.
In addition to her transactional capabilities, Ms Carpenter regularly advises on general corporate matters, including compliance with the Corporations Act and ASX Listing Rules, continuous and periodic disclosure obligations, corporate governance, directors’ duties, related party transactions, due diligence investigations, employee incentive schemes, board spills and shareholder meetings.
Ms Carpenter is currently a partner in the corporate and commercial practice at national law firm Hamilton Locke.
She brings a diverse and valuable skillset to the Board of Ramelius, particularly her deep knowledge of corporate governance and regulatory compliance.
Current appointments
Ms Carpenter is a Partner at Hamilton Locke and Director at Stitch in Time.Committee membership
Member of Nomination & Remuneration CommitteeExecutive Team
Ramelius’ Executive Team brings decades of combined technical and corporate expertise, with specialisation across mining operations, exploration, finance and governance. The decisions we make on behalf of the company are grounded in practical knowledge and proven experience.
Led by our CEO and MD, Mark Zeptner, the executive is focused on efficiency, effectiveness and making smart, informed choices that deliver solid outcomes. Our people are committed to delivering a low-cost, consistent production profile year on year, in a sustainable and responsible way.
We are inspired to realise our ambitious but achievable growth plan to become 500koz pa producer by 2030, without losing sight of our foundations.
Meet Our Leaders
Skills and experience
Darren has more than 25 years of experience in financial management, capital markets and the mining sector, over his career arranging US$3B in financings and executing on M&A transaction to the value of US$4B. He began his career with KPMG in Melbourne before moving into senior finance roles in the UK and then Canada, supporting mining and construction clients. He later joined Ivanhoe Australia as General Manager Finance and Company Secretary, leading major financing activities and dual listings on the ASX and TSX. Darren moved to Centerra Gold in 2013 as Treasurer, became Vice President Finance in 2015 and was appointed Chief Financial Officer in 2016. Darren joined Ramelius in 2024. Darren is a Chartered Accountant (CA) and is a certified director of the Institute of Corporate Directors (ICD.D).
Skills and experience
Tim is a Mining Engineer with more than 30 years of experience in senior operational and management roles across the gold sector. His career includes leadership positions with Lihir Gold, St Barbara, Newmont and most recently Gold Fields, where he served as General Manager at multiple operations before becoming Vice President of Technical Services and Mining. Tim joined Ramelius as Chief Operating Officer in 2025.
Skills and experience
Alan has more than 28 years of experience as a director, senior executive, manager and engineer on resource projects from early-stage exploration through to feasibility, development and operations. He has held senior roles with Newmont and Northern Star Resources in mine management, project and operational development, large M&A transactions and integrations. His career spans Australia, New Zealand, Africa, Asia and North America, with deep capability in governance, environmental and safety management, financing and large-scale project delivery. Alan joined Ramelius in 2022.
Skills and experience
Kim is a global Human Resources Executive with more than 20 years of experience across the UK, US, Europe and Australia. She has held senior roles with Rio Tinto, BP, BCI Minerals, Assala Energy and ANZ, leading organisational transformations and building high-performing, engaged workforces. Her background spans mining, energy, oil and gas, financial services and digital industries, with experience as both an internal leader and external consultant. Kim brings broad HR generalist capability and specialist expertise in people and culture strategy, organisational development, talent and leadership development. Kim joined Ramelius in 2025.
Skills and experience
Peter is a Geologist with more than 20 years of experience in geological environments ranging from greenfields exploration through to near-mine resource development, and mine geology. Career focus has been on the Yilgarn Gold Province of Western Australia, including projects around Kalgoorlie, Southern Cross, Leonora, Laverton and Meekatharra. Previous experience in these areas includes leading teams to identify and advance high-potential targets, and generate exploration success through discovery, and resource and reserve addition. Peter joined Ramelius in 2021.
Skills and experience
Richard is a Corporate Commercial Lawyer with more than 25 years’ experience in both private practice and in-house roles across a range of industries. He has also served as company secretary for ASX-listed and unlisted companies in the mining sector, supporting governance, compliance and corporate affairs. Richard joined Ramelius in 2018.