Executive & Senior Management

Lloyd Flint

Company Secretary

Mr Flint, BAcc, FINSIA and MBA is a Chartered Accountant with over 25 years’ experience in the corporate and financial services arena. He has held a number of management and senior administrative positions as well as providing corporate advisory services as a consultant to corporate clients.


Andrea Aravena

Geology Manager – Chile

Ms. Aravena is a geologist from Universidad de Concepción, Chile with over a 13 years’ experience in Chile´s mining and exploration industry. She has also completed further studies in project and operational management in Pontificia Universidad Católica de Chile. Before joining Hot Chili, she has worked 4 years as a mine/exploration geologist in open pit and underground gold operations for Yamana and Minera Dayton companies.

Ms. Aravena joined Hot Chili in 2011 as a senior geologist and has worked extensively supervising and running Productora, El Fuego and more recently Cortadera exploration drill programs, managing the field team and company contractors, ensuring compliance to the company standard operating procedures. Ms. Aravena was contributory to the completion of Productora Pre-Feasibility study and continues supporting legal and environmental permitting for the current company operations.

Grant King

Chief Operating Officer

Grant has 18+ years experience in the mining industry, including underground contract mining, production roles, work in the mining software sector, and has been consulting internationally for the past 11 years.  Grant has expertise in project valuation and management, ore reserve estimation, mine planning in both underground and open pit realms.

Grant’s project experience ranges from small-scale narrow-vein deposits through to large-scale massive sub-level open stopes and block caving; from the cost constraints of nickel/ gold to the ventilation issues of underground uranium and high-altitude mining.  He has built mining process models and has trained engineers and geologists in the breakdown of technical processes and the application of software.

Grant is undertaking a Masters in Mineral Economics where he has developed exhaustive financial models, included quantifying the Mineral Resource Rent Tax in Australian iron ore, applying the Chilean fiscal regime to copper mining projects and predicting share value accretion from simulated, multiple-asset addition, decision trees for investment funds.

Melanie Leighton

Corporate Projects Manager

Ms Leighton holds a degree in Geology from the University of Western Australia, is a Member of the Australian Institute of Geoscientists, and has almost 20 years’ experience within the mineral exploration industry.  She has held project and senior geologist roles with several Australian listed companies including Hill 50 Gold, Harmony, and Terra Gold, gaining practical and management experience within the areas of exploration, mining and resource development.  Ms Leighton has extensive experience in mineral exploration and resource development and acts in a project management role for Hot Chili in regard to resource estimation, land management, systems development and data integration and stakeholder relations.  Ms Leighton is currently a non-executive director of Great Boulder Resources Ltd (appointed 6 April 2016).

Profile black and white photo of Jose Ignacio-Silva

José Ignacio Silva

Country Manager & Chief Legal Counsel

Mr Silva gained his law degree at the University of Chile, and studied Masters in International Business Law at the University College London. He has more than 10 years’ experience in litigation, commercial and mining law and business negotiations and in Tier 1 law firms in Chile. Mr Silva has also completed 2 years’ work experience in London, UK in Financial Fraud at the Serious Fraud Office, where his team successfully prosecuted a high level case of corruption of foreign officials. Mr Silva has been working with Hot Chili since July 2009 and in 2011 became Chief Legal Counsel. He is responsible for mining rights acquisitions, mining consolidation, deal negotiations and business development among other things, working directly with the board of Hot Chili.

John Hearne

Executive Studies Manager

A mining engineer by profession, John has over 35 years’ of experience spanning production roles to executive directorships with leading mining and consulting companies including Snowden, Wood (Amec Foster Wheeler), Coffey Mining, BHP Billiton, North Ltd, Henry and Walker, and Mount Isa Mines.

John’s experience includes technical, supervisory and management roles at all stages of the mining lifecycle.

John has experience managing all facets of mining projects, from early stage studies through to full scale operations, for both underground & open cut operations.

Kirsty Sheerin

Resource Development Manager

Kirsty is a Resource Geologist with over 13 years’ experience in the mining industry, including underground gold mining and international consulting in resource geology.

She has worked previously as a Senior Resource Geologist for Northern Star Resources and Principal Geology Consultant for OreTeck Mining Solutions.