Board & Management

Directors and Management

Ian McCubbing

Non-Executive Chairman

Mr Ian McCubbing was appointed Non-executive Director and Chairman of the Board on 25th July 2016, bringing a strong commercial background in the resources industry to the Company.

He has over 30 years experience as a Chartered Accountant with industrial and mining companies, principally in the areas of corporate finance and mergers and acquisition. He holds a Bachelor of Commerce (Honours) from UWA and Executive MBA from the AGSM, and is a graduate member of the Australian Institute of Company Directors.

Mr McCubbing is currently a Non-Executive Director of three other ASX listed resources related companies - Avenira Ltd, Swick Mining Services Ltd and Kasbah Resources Ltd. He has previously been a director and CFO of other ASX 200 listed mining companies.

John Kaminsky

Managing Director and CEO

Mr Kaminsky became a Non-Executive Director in April 2004 and Executive Chairman later in 2004, moving to the role of Managing Director and CEO in March 2015. He completed a Bachelor of Applied Science (Chemistry) at RMIT and an MBA from the Melbourne Business School (1988). 

He brings strong business, strategic and international skills to the company, with more than 30 years experience internationally, including commodity trade, government representation, consulting, marketing, high technology software, venture capital, exploration and mining services.  Mr Kaminsky is very knowledgeable in the requirements of the ASX Public Company environment and is a highly effective multitasker well suited to the needs of Rimfire. 

Mr Kaminsky was resident in South Korea, for more than 10 years, including a period as Country President for Elders Resources.  He has extensive experience in Asia in a range of business activities and possesses a wide network of contacts. 


Ramona Enconniere

Non-Executive Director

Mrs Enconniere (Bachelor of Commerce and MBA, University of Melb., and MBS) became a Director of Rimfire in May 2005 and has professional affiliations with CPA Australia and the Financial Services Institute of Australasia.

Mrs Enconniere makes an excellent contribution to the Board through her experience gained in corporate banking and the funding of mergers and acquisitions, loan syndications, project financing, debt raising via capital markets/securitisation with Citibank, Bank of America, OCBC (Overseas-Chinese Bank Corporation) and NAB.

Andrew Greville

Non-Executive Director

Mr Greville became a director of Rimfire in August 2017. Mr Greville is a qualified mining engineer and brings over 30 years of mining industry experience with an outstanding track record of international success in the resources industry, particularly in the fields of business development and marketing.

Before establishing West End Mining & Consulting in 2015, Mr Greville’s most recent position was Executive General Manager, Business Development and Strategy, Xstrata Copper.

Melanie Leydin

Company Secretary

Melanie has 25 years' experience in the accounting profession and is a director and company secretary for a number of oil and gas, junior mining and exploration entities listed on the Australian Securities Exchange. She is a Chartered Accountant and a Registered Company Auditor.

She graduated from Swinburne University in 1997 with a Bachelor of Business (Acc/Law), became a Chartered Accountant in 1999 and since February 2000 has been the principal of chartered accounting firm, Leydin Freyer specialising in outsourced company secretarial and financial duties for resources and biotechnology sectors.

Greg Keane

Chief Financial Officer

Greg was appointed the CFO of Rimfire in May 2017. Greg is an experienced commercial and financial professional who has gained significant experience in all stages of a resources company lifecycle both internationally and nationally.

Greg is big 4 trained and qualified CPA / MBA (Deakin University) professional with significant experience and exposure in defining Operational, Commercial and Financial Strategy and the subsequent implementation of strategy; in addition to hands on management of companies accounting, information technology, human resources, logistics, supply and contracts and other support services functions, both within Australia and Overseas (including Papua New Guinea, Mongolia and Hong Kong).

Technical Management

Colin Plumridge

Senior Exploration Geologist

Mr Plumridge has been with the Company since 2004 and has provided key, scientific, geological and technical insights, including major discovery break throughs on exploration in the Fifield district. Mr Plumridge is a Member of the AUSIMM and the Geological Society (Aust.), the Society for Economic Geologists and the Mineralogical Society of NSW. He has a successful track record in discovering and determining mineral deposits over a 45 year career and makes a valuable contribution to the Company.

Mr Plumridge has an extensive depth of experience which covers a wide range of prospecting geology techniques, exploration concept development, drill program management, mine planning and operations.  In exploration, Mr Plumridge specialises in detailed field work programs and historic interpretation of complex data previously under examined by others. He has extremely practical and value adding skills ideally suited to the Fifield project area.