Our Team

Leanne Brock

Managing Director

Leanne Brock, Owner and Manager, has over 20 years experience within the mining industry ranging from working within the NT Government (DPIFM – Titles Division), and private mining and exploration companies in various roles – Tenement Manager, Personal Assistant and Office Manager.

Leanne completed an Administrative Traineeship with the Department of Works, and was offered a permanent position with NT Department of Mines and Energy. Leanne worked in the Titles unit for eight years before moving on to tenement management and administrative co-ordination for a period of eight years in both Tennant Creek in the NT and Charters Towers (Pajingo and Mt Leyshon Mines) in Queensland for Normandy Mining Ltd. Having then returned to Darwin, Leanne became Tenement Manager for Arafura Resources Ltd, managing all aspects of its mining and exploration tenements. Recognising that there is a great need for additional tenement consultants in the NT and the other states of Australia, Leanne formed Australian Mining and Exploration Title Services in 2008.

Leanne is now located in the Tamworth Office.

Cristel Donovan

Senior Tenement Manager

Cristel Donovan Started out her life on Nobles Nob, Tennant Creek with her parents, and a grandparent working for Peko Mines and Australian Development Ltd so it was hardly surprising that she followed in their footsteps and set her career in the mining and exploration industry.

Cristel worked in the Titles Division of NT Mines and Energy for just under 20 years and four years with the Commonwealth Government as Mining Officer for the NT before joining AMETS in 2008. Cristel has extensive experience with extractive mining and mineral exploration and in-depth knowledge of the mining-related section of the Aboriginal Land Rights (Northern Territory) Act (ALRA). Cristel is currently managing titles within the Northern Territory.

Holly Edgar

Geologist/Senior Tenement Manager

Holly Edgar joined AMETS as a Tenement Manager in July 2010. Holly completed a Bachelor of Applied Science (Geology) from the University of Ballarat in December 2005. Prior to joining AMETS, Holly was employed as a Mine Geologist for Xstrata Zinc-Mount Isa Mines and Compass Resources and as a Senior Titles Officer with the Titles Division of the Northern Territory’s Department of Resources. Holly’s time with the Titles Division was spent with both the Applications and Titles Maintenance Teams. Holly was able to familiarise with and implement the statutory requirements of Northern Territory Legislative requirements and processes.

Holly manages the Darwin office and is responsible for Tenement Management in the Northern Territory, Mine Management Plans, and Geological reporting.

Tamara Grothues

Senior Tenement Manager

Tamara Grothues joined the AMETS team in October 2015 and brings with her eight years of tenement management experience, administering tenements across each State of Australia. Tamara is well known across the industry after having spent many years with another tenement agency. Tamara has completed a Mining Law unit at the University of WA and regularly attends conferences throughout Australia. Her working background is strong in administration having spent ten years in banking, as well as holding a Bachelor’s Degree in Psychology.

Tamara is currently responsible for managing Queensland and Tasmanian titles.

Tanya Badenhorst

Geologist/Senior Tenement Manager

Tanya Badenhorst is a Geologist with 18 years of experience across the UK, Ghana, Ireland, and Australia. Tanya completed a Bachelor of Geology with Honours from the University of Portsmouth, UK. Tanya started her career as a geologist in London for Chevron Oil. Moving into gold exploration for a small company in the UK she was quickly posted to Ghana for two years working in the prestigious Ashanti Goldfields. Back in the UK for four years working as a Geo-Environmental Engineer for global company WSP Environmental. Two years spent in Ireland allowed Tanya to move back into mineral exploration as a Geologist on both Lisheen and Galmoy Pb-Zn mines. 

A move to Adelaide in 2006 where Tanya worked as Project Geologist for South Australian based Adelaide Resources and Marmota Energy, looking after predominantly copper-gold tenements and undertaking tenement management. Tanya went on to work for Thor Mining as a GIS Geologist, FIFO Geologist for Northern Cobalt, and Euro Exploration. Tanya joined AMETS in March 2019 where she is tasked with Geological Reporting, GIS, and Tenement Management in South Australia and New South Wales.

Melissa Say

Geologist/Senior Tenement Manager

Melissa Say is a Geologist with 15 years of experience in both the private and government sectors.  Melissa completed a Bachelor of Applied Science (Geology) (Hons) from RMIT University in Melbourne in 2001. She has worked in commodities including gold, copper, and base metals in Western Australia, South Australia, and Jamaica.  

She started her career working as a Geologist for a junior exploration company in Western Australia, then joined Oxiana in 2006 where she worked at the Prominent Hill Iron-Oxide-Copper-Gold deposit initially doing resource definition drill-outs and later near-mine and regional exploration.  

In 2010 Melissa started working part-time based in the Melbourne office working on various exploration projects including Carrapateena and Jamaica. In 2015 she joined the Geological Survey of Victoria as a Data Geologist working on historical data compilations, extractives, and tenement report auditing.  Before joining AMETS, Melissa had several years of experience managing internal company tenements and statutory technical reports and more recently audited technical reports as part of her role at the Survey.

Melissa is currently responsible for managing Victorian and Tasmanian titles.

Marika Cox

Tenement Officer

Marika Cox joined the AMETS team in May of 2019. As an experienced Tenement Officer Marika brings to the company over eight years’ experience in the industry. Having worked for Adelaide Resources Ltd, Marika is an experienced report writer, a skilled negotiator with excellent communication skills. Having dealt extensively with government departments in multiple states throughout Australia, AMETS now has the benefit of Marika’s experience in this area.

Marika also has a strong background in Administration and Financial Services having worked in the banking and financial services in both Australia and the UK. She holds several Certificates and Diplomas including qualifications in Financial Services and Early Childhood Studies.

Marika will be managing tenements in South Australia and Victoria as well as giving AMETS the benefit of her administration and procedure knowledge across the company.

Nina Mas

Senior Tenement Manager

Nina Mas has over 16 years of experience in the exploration and mining industry and has been in the tenement management field since 2004. Having worked in the exploration, survey, and underground departments for Plutonic Operations, Barminco and LionOre, she was exposed to the tenement management processes which then led to a Tenement Management position within Breakaway Resources in 2006. 

Nina has been a Senior Tenement Consultant with Andersons Tenement Management since mid-2010 and her hands-on experience within the exploration and mining industry, attention to detail, and good communication skills place her in good stead to handle all tenement management issues in a timely, professional manner. Nina commenced with AMETS as a Senior Tenement Consultant in August 2019 and manages several of our client portfolios in Western Australia.

Danielle Alchin

Tenement Manager

Danielle Alchin brings her 10-plus years of experience in the Minerals and Energy Divisions to AMETS, further strengthening our NT and WA skillset. Throughout her career, Danielle has had extensive involvement across multiple facets of the mining and exploration industry including in applications, titles maintenance, securities, and MMPs. Danielle also has comprehensive knowledge and longstanding contacts in the petroleum industry and her accomplished understanding of both the Mineral Titles and Petroleum Acts is of great additional benefit to our clients.

Danielle is managing titles in the Northern Territory and Queensland.

Holly McVicar

Project Manager

Holly McVicar joined AMETS as Project Manager in 2021. Holly completed a Bachelor of Earth Science from Waikato University in New Zealand in 2006 then went on to work in conventional petroleum in New Zealand and Southern Chile. Moving to Australia in 2011, Holly took on coal, petroleum and mineral commodities where she has worked for the past decade managing exploration campaigns, research, resource modelling and estimation, health and safety and legislative compliance reporting.  

Holly has built on her technical foundation with further post-graduate business studies and is active in wider industry engagement. She is also passionate about leadership, STEM career pathway development, mentoring and is a proud mother of two gorgeous children.

John Howard

Reporting Geologist/GIS Mapping

John Howard joined AMETS in 2021, bringing over 20 years’ experience in mining and exploration.  As an Exploration Geologist, John worked for most of Australia’s major coal and gas producers, across NSW, Victoria and Queensland.  Over that time, John progressed from Rig Geologist to Training Manager and Operations Manager roles, and was responsible for implementing systems and procedures which allowed the consulting company for whom he worked to grow from three geologists to 100+ employees.

John has also spent five years working as an Environmental Scientist, providing advice and government-compliant reports for a number of development projects, including major government infrastructure.

John holds a Bachelor of Science with Honours in Geology from the University of Sydney, and a Diploma of Petroleum Engineering from the University of NSW.  He has strong data management and reporting skills, and a thorough understanding of the on-ground realities of exploration geology.



Mikey Ratcliffe

Tenement Officer

Mikey Ratcliffe joined AMETS in March 2021. Mikey previously
worked with the Mines Department of WA as a customer service officer at the Leonora Office. Originally from the UK Mikey moved over to Australia in 2017 and started fresh into the Mines  Department April 2019. He has a strong background in customer service, previously working as an outdoor pursuits instructor for many years.

Since working at the Leonora office, Mikey has been exposed to a multitude of processes from the Wardens court, to how tenement applications and dealings are processed within WA.

His knowledge of Mineral Titles Online and Tengraph web will be beneficial to both clients and colleagues. 

Mikey is supporting Western Australian and Northern Territory tenement managers.

Belinda Ingram

Tenement Officer

Belinda Ingram joined AMETS as a Tenement Officer in December 2020. Belinda has a background in local council, real estate property management, waste management, and resource recovery education, and has a wide range of administration and communications experience. 

Belinda will be providing highly skilled support to the New South Wales and Victorian Tenement Managers and clients.

Trevor Smith

Tenement Officer

Trevor Smith is a Tenement Officer who joined AMETS in July 2020. Trev brings with him a strong background from a vast range of industries including human resources, work health and safety, real estate, information technology, law, industrial relations, and opal mining allowing him to provide high level administrative support to the AMETS team as well as our clients.

Trev is providing support to the QLD Tenement Managers as well as working within IT and marketing.

Services Australia Wide

Joint Ventures

Managing your obligations from joint venture agreements.

Land Access

Monitoring of land availability and acquisition. Land owner negotiations and agreements.


Assistance with interpretation of mining, extractive and exploration legislation.

Other Services

Providing a wider range of services to support your needs.

Professional Data Management

Utilising a professional database to manage statutory requirements across Australia.

Tenement Management

Tenement monitoring and management in compliance with legislative requirements.


What our Clients Say

AMETS has been Arafura Resources’ mineral tenement manager since 2008. In that time, AMETS has managed in excess of forty of Arafura’s exploration and mining tenements in the Northern Territory, including those covering JORC mineral resources at Nolans Bore and Mt Porter. AMETS has and continues to provide a highly professional range of services, including expert advice on relevant legislation and regulations, and a practical understanding of mining and environmental regulator processes. Arafura has no hesitation in recommending AMETS to potential clients seeking timely, efficient, and competent land management services.
Richard Brescianini
Arafura Resources Ltd