
OUR
PEOPLE
When you work with Measured Group, you're supported by specialists with extensive, global experience across the entire mining value chain, from greenfield exploration to mining optimisation studies, tenement management to corporate advisory.
Our team of mining and geotechnical engineers, specialist technicians and consultants, geologists, resource professionals, data scientists, tenement management specialists and more dig deep, working with every level of your business to ensure you get more.
With hands-on experience and knowhow across the entire mining cycle, every solution we offer is practical and effective, designed to meet not only external obligations but also your internal production requirements.
We assemble specialist teams tailored to your unique needs – experienced in all aspects of the exploration and mining process – to support you and comprehensively solve your unique challenges.
Scroll down to find out more about some of our key people or click the button below to find out how they can help you get more from your mine:When you work with Measured Group, you're supported by specialists with extensive, global experience across the entire mining value chain, from greenfield exploration to mining optimisation studies, tenement management to corporate advisory.
Our team of mining and geotechnical engineers, specialist technicians and consultants, geologists, resource professionals, data scientists, tenement management specialists and more dig deep, working with every level of your business to ensure you get more.
With hands-on experience and knowhow across the entire mining cycle, every solution we offer is practical and effective, designed to meet not only external obligations but also your internal production requirements.
We assemble specialist teams tailored to your unique needs – experienced in all aspects of the exploration and mining process – to support you and comprehensively solve your unique challenges.
Scroll down to find out more about some of our key people or click the button below to find out how they can help you get more from your mine:OUR DIRECTORS
Directors / Management

LYON BARRETT
Principal Geologist / Director
Lyon is a resource geologist with over 20 years mining industry experience, with a strong understanding of the link between reliable exploration data, geology interpretation and models, mine planning and, ultimately, financial valuations and assessments. Lyon’s technical expertise includes resource evaluation, estimation and reporting, technical audits, due diligence, and database design, development and management. His technical experience covers a broad range of projects, geological settings and commodities. These include coal, iron sands, gold, iron ore and nickel laterite mines and projects in Australia, South Africa, Indonesia, New Zealand, USA and South America, Russia and Iran. Lyon is an expert user of a range of modelling software packages and is a Competent Person for the purposes of JORC resource estimation and reporting. View Lyon's LinkedIn page

TOBY PRIOR
Principal Geologist / Director
Toby is a resource geologist with over 21 years mining industry experience who specialises in finding efficient and workable solutions to model complex geology, driving target generation, optimum resource assessment and delivering reliable outputs for mine planning and evaluations. He draws from an excellent skill set that includes exploration strategy, design and management, mining software development, geology and feasibility studies, resource estimation and reporting. Toby’s technical expertise also includes technical audits, due diligence and expert witness reporting and his technical experience covers a broad range of projects, geological settings and commodities. These include coal, nickel laterite and oil shale mines and projects in Australia, New Zealand and Indonesia. Toby is an expert user of a range of modelling software packages and is a Competent Person for the purposes of JORC resource estimation and reporting. View Toby's LinkedIn page

JAMES KNOWLES
Principal Geologist / Technical Director
James is a geologist with over 20 years mining industry experience who specialises in corporate strategy, technical management and resource evaluation. James is passionate in his view that to release the true value of any resource, it must be well explored, interpreted and modelled, with both strengths and weaknesses understood and effectively communicated to stakeholders. He is comfortable working across disciplines to achieve clear understanding of geological inputs into project development and mining activities. James’ technical expertise includes exploration, project development and mine operations support, technical audits, due diligence, resource estimation and reporting. His technical experience covers a broad range of projects, geological settings and commodities including coal, bentonite and oil shale mines and projects in Australia, Colombia and Indonesia. James is proficient in a range of modelling software packages and is a Competent Person for the purposes of JORC resource estimation and reporting.Phone James 0428 886 502 Email James

PETER DUMBRILL
General Manager
Peter is an accomplished geologist and senior leader working within resource and engineering consulting roles. As a qualified and experienced project manager, he specialises in program planning and execution, founded on his skills in both technical and practical implementation. A trusted geologist and valued project representative, Peter prioritises implementing project efficiencies, ensuring exploration safety and proactive subcontractor management. Peter displays a balance of technical advice and strategic project management, underpinned by strong leadership skills to deliver on project objectives. View Peter's LinkedIn page

Andrew Baird
Principal Geologist / Head of Technical – Perth
Andrew is a highly skilled geologist with over 15 years’ experience working on diverse projects across multiple commodities on four continents. He is experienced in exploration geology, targeting, planning and management, project assessment and verification, and the preparation of market releases, technical reports, studies, and corporate presentations. Andrew has led multi-disciplinary teams through exploration, resource definition, and pre-feasibility, and has trained and mentored geologists and field staff across all stages of the exploration process. He is also Head of our Perth office. With strong organisational, problem-solving, and communication skills, he consistently delivers high-quality outcomes. View Andrew's LinkedIn page

SEAN DIXON
Principal Geologist / Head of Geology & Resource Estimation
Sean is a highly skilled geologist, with over twenty years of experience across a broad range of coal projects in the Bowen, Sydney, Surat, and Clarence-Moreton Basins and in Moatize, Mozambique. Sean’s roles to date have included mine and exploration geology, exploration planning and management, geological modelling, resource estimation, coal quality scheduling and mine production planning, as well as the management of technical services and geology departments for several reputable coal organisations. View Sean's LinkedIn page

Natasha Hill
Head of Corporate Services & Finance
Natasha leads Measured Group’s Corporate Services & Finance team, overseeing financial performance, governance, people operations, and business support. She works closely with the Executive and operational teams to drive clarity, improve processes, and strengthen the Group’s commercial and organisational capability. Natasha is known for her practical, people-centred approach and commitment to building a connected and high-performing workplace.
Directors / Management

LYON BARRETT
Principal Geologist / Director
Lyon is a resource geologist with over 20 years mining industry experience, with a strong understanding of the link between reliable exploration data, geology interpretation and models, mine planning and, ultimately, financial valuations and assessments. Lyon’s technical expertise includes resource evaluation, estimation and reporting, technical audits, due diligence, and database design, development and management. His technical experience covers a broad range of projects, geological settings and commodities. These include coal, iron sands, gold, iron ore and nickel laterite mines and projects in Australia, South Africa, Indonesia, New Zealand, USA and South America, Russia and Iran. Lyon is an expert user of a range of modelling software packages and is a Competent Person for the purposes of JORC resource estimation and reporting. View Lyon's LinkedIn page

TOBY PRIOR
Principal Geologist / Director
Toby is a resource geologist with over 21 years mining industry experience who specialises in finding efficient and workable solutions to model complex geology, driving target generation, optimum resource assessment and delivering reliable outputs for mine planning and evaluations. He draws from an excellent skill set that includes exploration strategy, design and management, mining software development, geology and feasibility studies, resource estimation and reporting. Toby’s technical expertise also includes technical audits, due diligence and expert witness reporting and his technical experience covers a broad range of projects, geological settings and commodities. These include coal, nickel laterite and oil shale mines and projects in Australia, New Zealand and Indonesia. Toby is an expert user of a range of modelling software packages and is a Competent Person for the purposes of JORC resource estimation and reporting. View Toby's LinkedIn page

JAMES KNOWLES
Principal Geologist / Technical Director
James is a geologist with over 20 years mining industry experience who specialises in corporate strategy, technical management and resource evaluation. James is passionate in his view that to release the true value of any resource, it must be well explored, interpreted and modelled, with both strengths and weaknesses understood and effectively communicated to stakeholders. He is comfortable working across disciplines to achieve clear understanding of geological inputs into project development and mining activities. James’ technical expertise includes exploration, project development and mine operations support, technical audits, due diligence, resource estimation and reporting. His technical experience covers a broad range of projects, geological settings and commodities including coal, bentonite and oil shale mines and projects in Australia, Colombia and Indonesia. James is proficient in a range of modelling software packages and is a Competent Person for the purposes of JORC resource estimation and reporting.Phone James 0428 886 502 Email James

PETER DUMBRILL
General Manager
Peter is an accomplished geologist and senior leader working within resource and engineering consulting roles. As a qualified and experienced project manager, he specialises in program planning and execution, founded on his skills in both technical and practical implementation. A trusted geologist and valued project representative, Peter prioritises implementing project efficiencies, ensuring exploration safety and proactive subcontractor management. Peter displays a balance of technical advice and strategic project management, underpinned by strong leadership skills to deliver on project objectives. View Peter's LinkedIn page

ANDREW BAIRD
Principal Geologist / Head of Technical – Perth
Andrew is a highly skilled geologist with over 15 years’ experience working on diverse projects across multiple commodities on four continents. He is experienced in exploration geology, targeting, planning and management, project assessment and verification, and the preparation of market releases, technical reports, studies, and corporate presentations. Andrew has led multi-disciplinary teams through exploration, resource definition, and pre-feasibility, and has trained and mentored geologists and field staff across all stages of the exploration process. He is also Head of our Perth office. With strong organisational, problem-solving, and communication skills, he consistently delivers high-quality outcomes.
View Andrew's LinkedIn page

SEAN DIXON
Principal Geologist / Head of Geology & Resource Estimation
Sean is a highly skilled geologist, with over twenty years of experience across a broad range of coal projects in the Bowen, Sydney, Surat, and Clarence-Moreton Basins and in Moatize, Mozambique. Sean’s roles to date have included mine and exploration geology, exploration planning and management, geological modelling, resource estimation, coal quality scheduling and mine production planning, as well as the management of technical services and geology departments for several reputable coal organisations. View Sean's LinkedIn page

NATASHA HILL
Head of Corporate Services & Finance
Natasha leads Measured Group’s Corporate Services & Finance team, overseeing financial performance, governance, people operations, and business support. She works closely with the Executive and operational teams to drive clarity, improve processes, and strengthen the Group’s commercial and organisational capability. Natasha is known for her practical, people-centred approach and commitment to building a connected and high-performing workplace.
OUR TEAM

PETER BRISBANEPrincipal Mining Engineer

STEVE ANDREWSPrincipal Consultant

SANDY HARRISValuations Lead

PAUL BANNERMAN Team Lead
Exploration Geology

ADRIAN BUCK Principal Geologist

HELEN RICHMONDSenior Geospatial Consultant

GRANT VAN HEERDENTeam LeadMine Geology

REGINALD TANDOCSenior Exploration Geologist

MATTHEW BINKSSenior Geologist

HIRO MIDORIKAWASenior Exploration Geologist

CHRIS AINSLIE Principal Geologist

TRAVIS HOLMESSenior Exploration Geologist

TIM BUDDLESenior Exploration Geologist

MARGARET JAMESMine Geologist

HARRY DAVIESMine Geologist

MARIYA KONOVALOVASenior Geologist

TROY LOWIENPrincipal Geologist

LISA HOCHMUTHMine Geologist

VOLKER PELLESenior Exploration Geologist

JOSHUA REIDExploration Geologist

DIANNE GIRVENExploration Geologist

GONZALO FERNANDEZExploration Geologist

JULIANA VILHENATenement Administrator

GARY BENSON
Principal Mining Engineer

LILY ANDREEVA Exploration Geologist

ZULAA PHOENIXSenior Geologist

GUS BARRIERMine Geologist

AMBROSE WATSONExploration Geologist

YUEXIAO SHAOGeologist

MAKENZI TOMKINS Graduate Geologist

EMILY DE BONIAdministration & Logistics Coordinator

GRANT VAN HEERDENTeam LeadMine Geology

PAUL BANNERMAN Team Lead
Exploration Geology

SANDY HARRISValuations Lead

ADRIAN BUCK Principal Geologist

CHRIS AINSLIE Principal Geologist

TROY LOWIENPrincipal Geologist

GARY BENSON
Principal Mining Engineer

PETER BRISBANEPrincipal Mining Engineer

STEVE ANDREWSPrincipal Consultant

HELEN RICHMONDSenior Geospatial Consultant

JULIANA VILHENATenement Administrator

MARIYA KONOVALOVASenior Geologist

MATTHEW BINKSSenior Geologist

HIRO MIDORIKAWASenior Exploration Geologist

REGINALD TANDOCSenior Exploration Geologist

TRAVIS HOLMESSenior Exploration Geologist

VOLKER PELLESenior Exploration Geologist

TIM BUDDLESenior Exploration Geologist

ZULAA PHOENIXSenior Geologist

GUS BARRIERMine Geologist

HARRY DAVIESMine Geologist

LISA HOCHMUTHMine Geologist

MARGARET JAMESMine Geologist

AMBROSE WATSONExploration Geologist

DIANNE GIRVENExploration Geologist

GONZALO FERNANDEZExploration Geologist

JOSHUA REIDExploration Geologist

LILY ANDREEVA Exploration Geologist

YUEXIAO SHAOGeologist

MAKENZI TOMKINS Graduate Geologist

