Board & Management


Mr Liam Twigger 

Non Executive Chairperson, B.Econ, CPA, GDipBus
Liam is the Deputy Chairperson and Executive Director of Argonaut which recently merged with PCF Capital Group, which Liam founded in 1999.  Liam is Chairman of Solgold Plc, a London and TSX listed resources company focussed on the discovery, definition and development of copper and gold deposits in Ecuador. Liam was formerly a director of The Perth Mint, a position he held for 6 years. Liam holds a Graduate Diploma in Business, a Bachelor of Economics and is a Certified Practicing Accountant. The Board considers Mr Twigger is currently an independent Director.

Mr Ian Junk 

Non Executive Director, B.Eng (Hons) (Mining), MAusIMM
Ian has a Bachelor of Engineering (Mining) (Hons) from the WA School of Mines and has a detailed understanding and long history with nickel mining in Kambalda. In the past, having worked as a Mine Manager at various Kambalda nickel mines for Western Mining Corporation (WMC), he then played an integral role in the revitalisation of many WMC Kambalda nickel mines when they were divested in the early 2000s. Ian, along with his brother Leigh, and their company Donegal Resources, initiated the joint venture with Mincor Resources at the Miitel, Mariners, Wannaway and Redross nickel mines, and subsequently executed another joint venture with Panoramic Resources at the Lanfranchi nickel mine. Donegal Resources also managed and operated the Carnilya Hill nickel mine when that was sold by WMC to View Resources. Mr. Junk has played significant roles in the exploration, development and commissioning of various other mining operations around Australia, through his own mining entities and contracting companies. The Board considers Mr. Junk is not currently an independent Director.

Ms Deborah Lord 

Non Executive Director, B.Sc (Hons) (Geology), FAusIMM, MAIG, GAICD
Deborah has a Bachelor of Science (Geology) (Hons) from the University of Melbourne and more than 30 years’ experience in the resources sector in Australia, North and South America. She has worked in greenfields to near-mine exploration and resource development projects across a range of commodities within leadership, management, governance and research advisory positions. Her previous experience includes Western Mining Corporation, Placer Dome, SRK Consulting and BHP. As Chair of the VALMIN Committee and formerly BHP Head of Resource Governance Deborah brings a strong technical risk management focus as well as having broad experience in project review, valuation and technical assessment of mineral assets. Deborah is currently a Non-Executive Director of E79 Gold Mines Limited. Deborah is also a director of VRM, the UWA Centre for Exploration Targeting (CET) and College Member of the Minerals Research Institute of WA (MRIWA). The Board considers Ms Lord is currently an independent Director.

Mr Ashley McDonald 

Non Executive Director, B.Comm, LLB
Ashley is the nominee for Gold Fields Limited. He is currently Vice President Corporate Development for Gold Fields and has played a key role in a number of the company’s key growth transactions including acquiring the Granny Smith, Lawlers and Darlot gold mines from Barrick in 2013, acquiring a 50% interest in the Gruyere gold mine in 2016 and evaluating the various funding options for Gold Fields key development asset Salares Norte (capex US$830M) in Chile in 2020. An experienced and skilled M+A practitioner with strong financial and analytical skills, Mr. McDonald is also a legal practitioner with more than 20 years’ experience in Corporate and Resources Law and was part of the legal team that assisted Gold Fields in its acquisition of St Ives and Agnew in 2001. Mr. McDonald is an admitted legal practitioner holding a Bachelor of Laws (Hons) and Bachelor of Commerce (Accounting) from Murdoch University. The Board considers Mr. McDonald is not currently an independent director.



Managing Director, B.Sc (Hons), FGeolSoc, MAusIMM
Ed led the acquisition of joint venture rights to the Foster/Jan Nickel Project (in 2014) and the acquisition of the Great Southern project (in 2016) from Silver Lake Resources now owned by Medallion Metals Ltd, of which he is also a Non-Executive Director. A geologist by training, he has extensive operational experience (gold, copper and tin) in Australia, Africa, the UK and New Zealand. He was previously a senior member of the Gold Fields executive team in Australia where he held a key business development role reporting to the Executive Committee until 2008. He was the last Chief Geologist for WMC at the St Ives Gold Mine, overseeing a $25 million per annum drill budget and the addition of over 2.0 million ounces to reserves during his tenure. Prior to founding Lunnon Metals Ltd’s forebear, ACH Nickel, he was at PCF Capital Group where he advised resource sector companies on corporate, merger and acquisition, and valuation assignments.

Aaron Wehrle 

Exploration & Geology Manager, B.Sc (Hons), MAusIMM
Aaron is a geologist with 25 years’ experience in Australia, Canada and the Philippines. He has significant directly relevant operational experience having worked for WMC at St Ives in the Kambalda district for a number of years in a variety of production roles before being promoted to the site management team as Exploration Manager. In this role under new owner Gold Fields Ltd, he played a key part in the ramp up of drilling activities to dramatically increase the gold resource base in support of a new 4.8mtpa processing facility. His career progressed on to resource definition and delineation responsibilities with time spent in Meliadine, Nunavut, Canada (gold) prior to returning to Australia as a Regional Geologist in the company’s Perth based exploration team. He then moved to the Philippines where he was responsible for the geological modelling and definition of the Far South East (gold-copper) Deposit based on site and in Manila. Mr Wehrle has worked for the Company since early 2015.

Jessamyn Lyons

Company Secretary
Jessamyn is a Chartered Secretary, a Fellow of the Governance Institute of Australia and holds a Bachelor of Commerce from the University of Western Australia with majors in Investment Finance, Corporate Finance and Marketing. Ms. Lyons is also a Director of Everest Corporate and Company Secretary of Dreadnought Resources Limited (ASX:DRE), Doriemus PLC (ASX:DOR), Stealth Global Holdings Ltd (ASX:SGI), Ragnar Metals Limited (ASX:RAG) and EchoIQ Limited (ASX:EIQ). Ms. Lyons also has 15 years of experience working in the stockbroking and banking industries and has held various positions with Macquarie Bank, UBS Investment Bank (London) and more recently, Patersons Securities.
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